結果
| 問題 | No.3040 A + B Problem |
| ユーザー |
 ganariya
|
| 提出日時 | 2019-04-01 21:01:05 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 24,411 bytes |
| コンパイル時間 | 3,220 ms |
| コンパイル使用メモリ | 184,996 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-05-04 19:30:56 |
| 合計ジャッジ時間 | 4,219 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge5 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | WA | - |
| testcase_01 | WA | - |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | WA | - |
| testcase_07 | WA | - |
| testcase_08 | WA | - |
| testcase_09 | WA | - |
| testcase_10 | WA | - |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | WA | - |
ソースコード
//
// 2019/03/30 Ver1.10
//
// Codeforces: ganariya
// AtCoder: ganariya2525
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMHBYYYWMMMM#BYYTTTYWMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMB9O1==?????zzCC111>>;;;;;;;;;;;<?TMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM9Olll=l======??????????>>>>>>;;;;;;;;;:;?TMMMMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMMMM9ttlllllllll=l=======?????????>>>>>>;;;;;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMMMBOttOtttttltlllllllll=======??????????>>>>>>>;;;;;;?TMMMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMMMBttwOtttttttttttttlllllllll========?????????>>>>>>;;;;;<TMMMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMMBrwZrttttttttttttttttttlllllllllll======???????????>>>>>>;;?HMMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMMSw0trtrrtrtrttrtttttttttttttlllOllllll========????<<zz??>>>>>>ZMMMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMMMX0ttrtrOOttrttrttOOttttttttttttltwllllllllll========??wy?????>>>vZMMMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMMM0ttrI+wV1rtttttttwZtttttttltttOwylOXOllllllllllll=l====1dkz???????vZdMMMMMMMMMMMMMM
// MMMMMMMMMMMMMMMSrrwrtwZCjttttttttwSttOlllltllllwtXOlZkOlllllllllllllll==z+dk===?????X2JMMMMMMMMMMMMM
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// MMMMMMMMMMMMMMMMNOtXtdMMMMMNxzZMMNmgHyVVVVVW%..?/(.,(x-..........(HfffpffpffpffWHHffpffppfVyyWMMMMMM
//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <climits>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <cctype>
#include <complex>
#include <regex>
#include <unordered_map>
using namespace std;
//typedef
//------------------------------------------
typedef long long LL;
typedef vector<int> VI;
typedef vector<bool> VB;
typedef vector<char> VC;
typedef vector<double> VD;
typedef vector<string> VS;
typedef vector<LL> VLL;
typedef vector<VI> VVI;
typedef vector<VB> VVB;
typedef vector<VS> VVS;
typedef vector<VLL> VVLL;
typedef vector<VVI> VVVI;
typedef vector<VVLL> VVVLL;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;
typedef pair<int, string> PIS;
typedef pair<string, int> PSI;
typedef pair<string, string> PSS;
typedef vector<PII> VPII;
typedef vector<PLL> VPLL;
typedef vector<VPII> VVPII;
typedef vector<VPLL> VVPLL;
typedef vector<VS> VVS;
typedef map<int, int> MII;
typedef map<LL, LL> MLL;
typedef map<string, int> MSI;
typedef map<int, string> MIS;
typedef __int128 Lint;
//数値・文字列
//------------------------------------------
inline int toInt(string s) {
int v;
istringstream sin(s);
sin >> v;
return v;
}
inline LL toLongLong(string s) {
LL v;
istringstream sin(s);
sin >> v;
return v;
}
Lint toLint(const string s) {
Lint ret = 0;
for (int i = 0; i < s.length(); i++)
if ('0' <= s[i] && s[i] <= '9')
ret = 10 * ret + s[i] - '0';
return ret;
}
template<class T>
inline string toString(T x) {
ostringstream sout;
sout << x;
return sout.str();
}
inline VC toVC(string s) {
VC data(s.begin(), s.end());
return data;
}
vector<string> SPRIT(const string &s, const string &delim) {
vector<string> result;
string::size_type pos = 0;
while (pos != string::npos) {
string::size_type p = s.find(delim, pos);
if (p == string::npos) {
result.push_back(s.substr(pos));
break;
} else {
result.push_back(s.substr(pos, p - pos));
}
pos = p + delim.size();
}
return result;
}
string TRIM(const string &str, const char *trimCharacterList = " \t\v\r\n") {
string result;
string::size_type left = str.find_first_not_of(trimCharacterList);
if (left != string::npos) {
string::size_type right = str.find_last_not_of(trimCharacterList);
result = str.substr(left, right - left + 1);
}
return result;
}
string REPLACE_STRING(const string source, const string find, const string alt) {
string result = source;
string::size_type pos = 0;
while (pos = result.find(find, pos), pos != string::npos) {
result.replace(pos, find.length(), alt);
pos += alt.length();
}
return result;
}
template<typename T>
bool VECTOR_EXISTS(vector<T> vec, T data) {
auto itr = std::find(vec.begin(), vec.end(), data);
size_t index = distance(vec.begin(), itr);
if (index != vec.size())return true;
else return false;
}
template<typename T>
void VECTOR_REMOVE_VALUE_ALL(vector<T> &vec, T data) {
vec.erase(remove(vec.begin(), vec.end(), data), vec.end());
}
template<typename T>
vector<T> VECTOR_REMOVE_VALUE_ALL_FAST(vector<T> vec, T data) {
vector<T> vec2;
for (auto &x: vec) if (x != data) vec2.push_back(x);
return vec2;
}
bool REG_MATCH(string const &text, regex const &re) {
bool result = regex_match(text, re);
return result;
}
bool REG_MATCH(string const &text, smatch &match, regex const &re) {
bool result = regex_match(text, match, re);
return result;
}
smatch REG_SEARCH(string const &text, regex const &re) {
smatch m;
regex_search(text, m, re);
return m;
}
vector<smatch> REG_ALL_SEARCH(string const &text, regex const &re) {
vector<smatch> matchs;
sregex_iterator iter(text.cbegin(), text.cend(), re);
sregex_iterator end;
for (; iter != end; iter++) matchs.push_back(*iter);
return matchs;
}
string REG_REPLACE(string const &text, regex const &re, string const &replace) {
string result = regex_replace(text, re, replace, regex_constants::format_first_only);
return result;
}
string REG_ALL_REPLACE(string const &text, regex const &re, string const &replace) {
string result = regex_replace(text, re, replace);
return result;
}
template<typename T>
vector<T> COMPRESS(vector<T> v) {
sort(v.begin(), v.end());
v.erase(unique(v.begin(), v.end()), v.end());
return v;
}
template<typename T>
pair<map<T, int>, map<int, T>> MAPPING(const vector<T> v) {
map<T, int> conv;
map<int, T> rev;
for (int i = 0; i < v.size(); i++) conv[v[i]] = i;
for (int i = 0; i < v.size(); i++) rev[i] = v[i];
return make_pair(conv, rev);
}
template<typename T, typename U, typename V, typename W>
auto operator+(const std::pair<T, U> &l, const std::pair<V, W> &r) -> std::pair<decltype(l.first + r.first), decltype(l.second + r.second)> {
return {l.first + r.first, l.second + r.second};
}
template<typename T, typename U, typename V, typename W>
auto operator-(const std::pair<T, U> &l, const std::pair<V, W> &r) -> std::pair<decltype(l.first - r.first), decltype(l.second - r.second)> {
return {l.first - r.first, l.second - r.second};
}
ostream &operator<<(ostream &dest, __int128_t value) {
ostream::sentry s(dest);
if (s) {
__uint128_t tmp = value < 0 ? -value : value;
char buffer[128];
char *d = std::end(buffer);
do {
--d;
*d = "0123456789"[tmp % 10];
tmp /= 10;
} while (tmp != 0);
if (value < 0) {
--d;
*d = '-';
}
int len = std::end(buffer) - d;
if (dest.rdbuf()->sputn(d, len) != len) {
dest.setstate(ios_base::badbit);
}
}
return dest;
}
#define UPPER(s) transform((s).begin(), (s).end(), (s).begin(), ::toupper)
#define LOWER(s) transform((s).begin(), (s).end(), (s).begin(), ::tolower)
//四捨五入 nLen=小数点第n位にする
//------------------------------------------
//切り上げ
double ceil_n(double dIn, long long nLen) {
double dOut;
dOut = dIn * pow(10.0, nLen);
dOut = (double) (long long) (dOut + 0.9);
return dOut * pow(10.0, -nLen);
}
//切り捨て
double floor_n(double dIn, long long nLen) {
double dOut;
dOut = dIn * pow(10.0, nLen);
dOut = (double) (long long) (dOut);
return dOut * pow(10.0, -nLen);
}
//四捨五入
double round_n(double dIn, long long nLen) {
double dOut;
dOut = dIn * pow(10.0, nLen);
dOut = (double) (long long) (dOut + 0.5);
return dOut * pow(10.0, -nLen);
}
//n桁目の数の取得
int take_a_n(LL num, int n) {
string str = toString(num);
return str[str.length() - n] - '0';
}
int bitcount32(int bits) {
bits = (bits & 0x55555555) + (bits >> 1 & 0x55555555);
bits = (bits & 0x33333333) + (bits >> 2 & 0x33333333);
bits = (bits & 0x0f0f0f0f) + (bits >> 4 & 0x0f0f0f0f);
bits = (bits & 0x00ff00ff) + (bits >> 8 & 0x00ff00ff);
return (bits & 0x0000ffff) + (bits >> 16 & 0x0000ffff);
}
//整数を2進数表記したときの1の個数を返す
LL bitcount64(LL bits) {
bits = (bits & 0x5555555555555555) + (bits >> 1 & 0x5555555555555555);
bits = (bits & 0x3333333333333333) + (bits >> 2 & 0x3333333333333333);
bits = (bits & 0x0f0f0f0f0f0f0f0f) + (bits >> 4 & 0x0f0f0f0f0f0f0f0f);
bits = (bits & 0x00ff00ff00ff00ff) + (bits >> 8 & 0x00ff00ff00ff00ff);
bits = (bits & 0x0000ffff0000ffff) + (bits >> 16 & 0x0000ffff0000ffff);
return (bits & 0x00000000ffffffff) + (bits >> 32 & 0x00000000ffffffff);
}
//comparison
//------------------------------------------
#define C_MAX(a, b) ((a)>(b)?(a):(b))
#define C_MIN(a, b) ((a)<(b)?(a):(b))
#define C_ABS(a, b) ((a)<(b)?(b)-(a):(a)-(b))
template<class T1, class T2>
inline bool chmin(T1 &a, T2 b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T1, class T2>
inline bool chmax(T1 &a, T2 b) {
if (a < b) {
a = b;
return true;
}
return false;
}
//container util
//------------------------------------------
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define SZ(a) int((a).size())
#define EACH(i, arr) for(typeof((arr).begin()) i=(arr).begin(); i!=(arr).end(); ++i)
#define EXIST(str, e) ((str).find(e)!=(str).end())
#define COUNT(arr, v) count((arr).begin(), (arr).end(), v)
#define SEARCH(v, w) search((v).begin(), (v).end(), (w).begin(), (w).end())
#define B_SEARCH(arr, v) binary_search((arr).begin(), (arr).end(), v)
#define SORT(c) sort((c).begin(),(c).end())
#define RSORT(c) sort((c).rbegin(),(c).rend())
#define REVERSE(c) reverse((c).begin(), (c).end())
#define ROTATE_LEFT(arr, c) rotate((arr).begin(), (arr).begin()+(c), (arr).end())
#define ROTATE_RIGHT(arr, c) rotate((arr).rbegin(), (arr).rbegin() + (c), (arr).rend())
#define SUMI(arr) accumulate((arr).begin(), (arr).end(), 0)
#define SUMD(arr) accumulate((arr).begin(), (arr).end(), 0.)
#define SUMLL(arr) accumulate((arr).begin(), (arr).end(), 0LL)
#define SUMS(arr) accumulate((arr).begin(), (arr).end(), string())
#define MULD(arr) accumulate((arr).begin(), (arr).end(), 1., multiplies<double>())
#define MULLL(arr) accumulate((arr).begin(), (arr).end(), 1LL, multiplies<long long>())
#define UB(arr, n) upper_bound((arr).begin(), (arr).end(), n)
#define LB(arr, n) lower_bound((arr).begin(), (arr).end(), n)
#define OF_ALL(arr, func) all_of((arr).begin(), (arr).end(), (func))
#define OF_NONE(arr, func) none_of((arr).begin(), (arr).end(), (func))
#define OF_ANY(arr, func) any_of((arr).begin(), (arr).end(), (func))
#define PB push_back
#define MP make_pair
#define ft first
#define sd second
//input output
//------------------------------------------
#define GL(s) getline(cin, (s))
#define INIT() std::ios::sync_with_stdio(false);std::cin.tie(0);
#define OUT(d) std::cout<<(d)
#define OUT_L(d) std::cout<<(d)<<endl
#define FOUT(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)
#define FOUT_L(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)<<"\n"
#define EL() printf("\n")
#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}
#define Yes() printf("Yes\n")
#define No() printf("No\n")
#define YES() printf("YES\n")
#define NO() printf("NO\n")
template<typename T1, typename T2>
istream &operator>>(istream &in, pair<T1, T2> &p) {
in >> p.first >> p.second;
return in;
}
template<typename T>
istream &operator>>(istream &in, vector<T> &v) {
for (auto &x: v)
in >> x;
return in;
}
istream &operator>>(istream &in, Lint &d) {
string s;
cin >> s;
Lint tmp = 0;
for (int i = 0; i < s.length(); i++)if ('0' <= s[i] && s[i] <= '9')tmp = 10 * tmp + s[i] - '0';
d = tmp;
return in;
}
template<typename T1, typename T2>
ostream &operator<<(ostream &out, const std::pair<T1, T2> &p) {
out << "[" << p.first << ", " << p.second << "]" << "\n";
return out;
}
//repetition
//------------------------------------------
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) FOR(i,0,n)
#define RREP(i, n) for(int i = n-1;i >= 0;i--)
#define FORLL(i, a, b) for(LL i=LL(a);i<LL(b);++i)
#define RFORLL(i, a, b) for(LL i=LL(b)-1;i>=LL(a);--i)
#define REPLL(i, n) for(LL i=0;i<LL(n);++i)
#define RREPLL(i, n) for(LL i=LL(n)-1;i>=0;--i)
#define FOREACH(x, arr) for(auto &(x) : (arr))
#define FORITER(x, arr) for(auto (x) = (arr).begin(); (x) != (arr).end(); ++(x))
//constant
//--------------------------------------------
const double EPS = 1e-10;
const double PI = acos(-1.0);
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, 1, 0, -1};
//math
//--------------------------------------------
//min <= aim <= max
template<typename T>
inline bool BETWEEN(const T aim, const T min, const T max) {
if (min <= aim && aim <= max) {
return true;
} else {
return false;
}
}
template<typename T1, typename T2>
inline bool IS_OUT(const T1 toY, const T1 toX, const T2 H, const T2 W) {
return (toY < 0 || toY >= H || toX < 0 || toX >= W);
}
template<class T>
inline T SQR(const T x) { return x * x; }
template<class T1, class T2>
inline T1 POW(const T1 x, const T2 y) {
if (!y)return 1;
else if ((y & 1) == 0) {
return SQR(POW(x, y >> 1));
} else return POW(x, y ^ 1) * x;
}
template<typename T>
constexpr T ABS(T x) {
return x < 0 ? -x : x;
}
//partial_permutation nPr 順列
//first・・最初の数
//middle・・r(取り出す数)
//last・・n(全体数)
template<class Iter>
bool next_partial_permutation(Iter first, Iter middle, Iter last) {
reverse(middle, last);
return next_permutation(first, last);
}
//combination nCr 組み合わせ
//first1・・最初の数
//last1==first2・・r(取り出す数)
//last2・・n(全体数)
template<class Iter>
bool next_combination(Iter first1, Iter last1, Iter first2,
Iter last2) {
if ((first1 == last1) || (first2 == last2)) {
return false;
}
Iter m1 = last1;
Iter m2 = last2;
--m2;
while (--m1 != first1 && !(*m1 < *m2)) {
}
bool result = (m1 == first1) && !(*first1 < *m2);
if (!result) {
while (first2 != m2 && !(*m1 < *first2)) {
++first2;
}
first1 = m1;
std::iter_swap(first1, first2);
++first1;
++first2;
}
if ((first1 != last1) && (first2 != last2)) {
m1 = last1;
m2 = first2;
while ((m1 != first1) && (m2 != last2)) {
std::iter_swap(--m1, m2);
++m2;
}
std::reverse(first1, m1);
std::reverse(first1, last1);
std::reverse(m2, last2);
std::reverse(first2, last2);
}
return !result;
}
//numeric_law
//--------------------------------------------
template<typename T>
constexpr bool ODD(T x) {
return x % 2 != 0;
}
template<typename T>
constexpr bool EVEN(T x) {
return x % 2 == 0;
}
//最大公約数
template<class T>
inline T GCD(const T x, const T y) {
if (x < 0)return GCD(-x, y);
if (y < 0)return GCD(x, -y);
return (!y) ? x : GCD(y, x % y);
}
//最小公倍数
template<class T>
inline T LCM(const T x, const T y) {
if (x < 0)return LCM(-x, y);
if (y < 0)return LCM(x, -y);
return x * (y / GCD(x, y));
}
//ax + by = gcd(a, b)
//x,yが変数に格納される
template<class T>
inline T EXTGCD(const T a, const T b, T &x, T &y) {
if (a < 0) {
T d = EXTGCD(-a, b, x, y);
x = -x;
return d;
}
if (b < 0) {
T d = EXTGCD(a, -b, x, y);
y = -y;
return d;
}
if (!b) {
x = 1;
y = 0;
return a;
} else {
T d = EXTGCD(b, a % b, x, y);
T t = x;
x = y;
y = t - (a / b) * y;
return d;
}
}
//mの世界でのaの逆元
//gce(a, m) = 1
template<class T>
inline T INV_MOD(const T a, const T m) {
T x, y;
EXTGCD(a, m, x, y);
return (x + m) % m;
}
//素数
template<class T>
inline bool ISPRIME(const T x) {
if (x <= 1)return false;
for (T i = 2; i * i <= x; i++)if (x % i == 0)return false;
return true;
}
//素数をtrueとして返す
template<class T>
VB ERATOSTHENES(const T n) {
VB arr(n + 1, true);
arr[0] = arr[1] = false;
for (T i = 2; i * i <= n; i++) {
if (arr[i]) {
for (T j = i * 2LL; j <= n; j += i) {
arr[j] = false;
}
}
}
return arr;
}
// a <= x < b の素数を返す
template<typename T>
VB ERATOSTHENES(const T a, const T b) {
VB small = ERATOSTHENES(b);
VB prime(b - a, true);
for (T i = 2; i * i <= b; i++) {
if (small[i]) {
for (T j = max(2LL, (a + i - 1) / i) * i; j < b; j += i) {
prime[j - a] = false;
}
}
}
return prime;
}
//nの約数
template<typename T>
vector<T> DIVISOR(T n) {
vector<T> v;
for (T i = 1; i * i <= n; ++i) {
if (n % i == 0) {
v.push_back(i);
if (i != n / i) {
v.push_back(n / i);
}
}
}
sort(v.begin(), v.end());
return v;
}
//nまでのすべての約数
template<typename T>
vector<vector<T>> DIVISOR_ALL(T n) {
vector<vector<T>> res(n + 1);
for (T i = 1; i <= n; i++) {
for (T j = i; j <= n; j += i) {
res[j].push_back(i);
}
}
return res;
}
//素因数分解
template<typename T>
vector<pair<T, T>> FACTORIZATION(T x) {
vector<pair<T, LL>> ans;
for (T i = 2; i * i <= x; i++) {
if (x % i == 0) {
T count = 0;
while (x % i == 0) {
count++;
x /= i;
}
ans.push_back(MP(i, count));
}
}
if (x != 1) ans.push_back(MP(x, 1));
return ans;
}
//N^P (mod M)
LL POW_MOD(LL N, LL P, LL M) {
LL ret = 1;
while (P > 0) {
if (P & 1LL) ret = (ret * N) % M;
N = (N * N) % M;
P >>= 1LL;
}
return ret;
}
//組み合わせ個数
template<typename T>
inline T NCR(T n, T r) {
if (r > n - r) r = n - r;
T ans = 1LL;
for (T i = 0; i < r; i++) {
ans = ans * (n - i) / (i + 1);
}
return ans;
}
//組み合わせ個数 (mod M)
LL NCR_MOD(LL n, LL r, LL M) {
if (r > n - r) return NCR_MOD(n, n - r, M);
LL numerator = 1LL; //分子
LL denominator = 1LL; //分母
for (LL i = 0; i < r; i++) {
numerator *= (n - i);
numerator %= M;
denominator *= (i + 1);
denominator %= M;
}
return numerator * POW_MOD(denominator, M - 2, M) % M;
}
//confirmation
//--------------------------------------------
//clear memory
#define CLR(arr, d) memset((arr), (d),sizeof(arr))
//debug
#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << endl;
//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~
int main() {
string A, B;
cin >> A >> B;
cout << A << " + " << B;
return 0;
}