#include using namespace std; typedef long long ll; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b #define vl vector #define vii vector> #define vll vector> #define vvi vector> #define vvl vector> #define vvii vector>> #define vvll vector>> #define vst vector #define pii pair #define pll pair #define pb push_back #define all(x) (x).begin(),(x).end() #define mkunique(x) sort(all(x));(x).erase(unique(all(x)),(x).end()) #define fi first #define se second #define mp make_pair #define si(x) int(x.size()) const int mod=998244353,MAX=2000005,INF=15<<26; #pragma GCC optimize("O3,unroll-loops") #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") //int128 //https://kopricky.github.io/code/Misc/int128.html // __int128の入出力 using LL = __int128; istream& operator>>(istream& is, LL& v) { string s; is >> s; v = 0; for (int i = 0; i < (int)s.size(); i++) { if (isdigit(s[i])) { v = v * 10 + s[i] - '0'; } } if (s[0] == '-') { v *= -1; } return is; } ostream& operator<<(ostream& os, const LL& v) { if (v == 0) { return (os << "0"); } LL num = v; if (v < 0) { os << '-'; num = -num; } string s; for (; num > 0; num /= 10) { s.push_back((char)(num % 10) + '0'); } reverse(s.begin(), s.end()); return (os << s); } ll rui[MAX]; const int M=100000; pll MA[10000000]; int main(){ std::ifstream in("text.txt"); std::cin.rdbuf(in.rdbuf()); cin.tie(0); ios::sync_with_stdio(false); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll N;cin>>N; string S=to_string(N); string T=S;reverse(all(T)); rui[0]=1; for(int i=1;i=N) z-=N; MA[z/M]=mp(z,stoll(A)); } } ll ge=rng()%(K/8); if(ge<0) ge+=(K/8); ge+=15; string A(9,'0'); ll sum=0; while(1){ int i=rng()%9; if(i<0) i+=9; int to=rng()%10; if(to<0) to+=10; sum-=rui[K/2+si(S)+8-i+ge]*(A[i]-'0'); sum-=rui[K/2+si(S)-1-ge-(8-i)]*(A[i]-'0'); A[i]=char('0'+to); sum+=rui[K/2+si(S)+8-i+ge]*(A[i]-'0'); sum+=rui[K/2+si(S)-1-ge-(8-i)]*(A[i]-'0'); sum%=N; if(sum<0) sum+=N; if(MA[sum/M].fi==sum){ ll t=MA[sum/M].se; string B=to_string(t); while(si(B)<7) B="0"+B; //cout<