#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
#include <deque>
#include <list>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <set>
#include <map>
#include <ctime>
#include <stack>
#include <functional>
#include <cstdio>
#include <string>
#include <iostream>
#include <limits>
#include <stdexcept>
#include <numeric>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef long double LD;
typedef double D;
typedef pair<ll,ll> P;
typedef pair<D,D> PD;
typedef map<ll,ll> M;
#define vp(c,n) vec c(n);rep(i,n){c[i]=i;}
#define out(x) cout<<x<<endl;
#define rep(i,n) for(long long int i=0;i<n;i++)
#define rrep(i,n) for(long long int i=1;i<n;i++)
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define jep(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define REP(i, n) FOR(i, 0, n)
#define fore(i,a) for(const auto &i:a)
#define RREP(var, n)  for (auto var = n - 1; var != static_cast<decltype(var)>(-1); var--)//なんですかこれは
#define all(x) (x).begin(),(x).end()
#define memset(v, h) memset((v), h, sizeof(v))
#define frac(x) x-floor(x)
#define eb emplace_back
#define pb push_back
#define pbd(x,y) push_back({x,y});
#define pbt(x,y,z) push_back({x,y,z});
#define bs binary_search 
#define lb lower_bound
#define ub upper_bound
#define SUM(x) accumulate(all(x),0)
#define IP(a,b) inner_product(all(a),begin(b),0.0)//内積の計算
#define PS(a,b) partial_sum(all(a),begin(b))//累積和(具体的にはbは個数以外空にしておいて格納されていく)
#define uni(x) sort(all(x));x.erase(unique(all(x)),x.end()) //重複消去＆sort
#define fr(f,x) fixed<<setprecision(f)<<x //小数点以下f桁までの表示
#define TFU(s) transform(all(s),begin(s),::toupper);//alphabetで全て大文字にする
#define TFL(s) transform(all(s),begin(s),::tolower);//alphabetで全て小文字にする
#define replace(s,a,A) replace(all(s),'a','A')//文字列sのaをAに変換する
#define NP(a) next_permutation(all(a))//順列
#define in(a, b, x) (a<=x&&x<b)//a以上b未満
#define MAX(x) *max_element(all(x))
#define MIN(x) *min_element(all(x))
#define ROT(s,i) rotate(s.begin(),s.begin()+i,s.end())//sのi番目から後ろを前にする
#define fbit(i,n) rep(i,n)if(bit&(1<<i))//すぐ消す(見るよう)
#define foreach(y) for_each(all(y),[](ll x){cout<<x<<" ";});cout<<endl;//配列の吐き出し
#define PQ priority_queue//打ちにくいもん
#define PQD PQ<P,vector<P>,greater<P>>
#define PQS PQ<ll,vec,greater<ll>>
#define fi first//大文字になれない
#define se second
#define cauto const auto&
#define bit(n) (1LL<<(n))
#define cl clock()/CLOCKS_PER_SEC//時間計測
#define printd(n,x) cout<<std::fixed<<std::setprecision(n)<<x<<endl
#define cinv(a,n); rep(i,n){cin>>a[i];}//試験運転してみる(多分つかわない)
#define cinvv(a,n,m); rep(i,n){rep(j,m){cin>>a[i][j];}}
template<class T> inline bool chmax(T& a,T b){if(a < b){a=b;return 1;}return 0;}
template<class T> inline bool chmin(T& a,T b){if(a > b){a=b;return 1;}return 0;}
typedef vector<ll> vec;
typedef vector<string> ves;
typedef vector<vec> mat;
//const ll mod = 1000000009;//手動で切り替える.
//const ll mod = 998244353;
const ll mod = 1000000007;
//const ll mod=1e9;
using mint =modint998244353;//.val()が必要に注意 一旦置いておく
//using mint =modint1000000009;
//using mint =modint1000000007;
const ll INF = bit(60);
//ll dx[4]={0,1,0,-1},dy[4]={-1,0,1,0};
//struct Edge{ll to,co;Edge(ll to=0,ll co=0):to(to),co(co){}};//ABC191で何となくsunukeさんの！！
//struct Edge {ll to;ll cost;};
//struct Edge {ll from;ll to;ll cost;};
//struct Edge {ll to;ll w;Edge(ll to,ll w):to(to),w(w){}}; //けんちょん本 G[頂点a].pb(Edge(頂点b,weight));とか
//using Graph = vector<vector<ll>>;
//struct Edge {ll to,t,k;Edge(ll to,ll t,ll k):to(to),t(t),k(k){}};//ABC192で何となく
//using Graph =vector<vector<Edge>>;
#define cing(a,b,c) a[b].pb(c);a[c].pb(b);
//vector<bool> seen;
//void gdfs(const Graph &G,ll v){seen[v]=true;fore(next_v,G[v]){if(seen[next_v])continue;gdfs(G,next_v);}}//それぞれの点でif(seen[i])continue;else gdfs(G,i)をする
ll modpow(ll a,ll n,ll mod){if(mod==1)return 0;ll ret=1;ll p=a%mod;while(n){if(n&1)ret=ret*p%mod;p=p*p%mod;n>>=1;}return ret; }
M factor(ll n) {M ret;for(ll i=2;i*i<=n;i++){while(n%i==0){ret[i]++;n /= i;}}if(n != 1){ret[n]=1;}return ret;}//素因数分解 mapにする
vec divisor(ll n){vec K;for(ll i=1;i*i<=n;i++){if(n%i==0){K.pb(i);if(i*i!=n)K.pb(n/i);}}sort(all(K));return K;}//約数列挙 cauto& a=divisor(100);的に書く
ll modlog(ll a,ll b,ll p){ll g=1;for(ll i=p;i;i/=2)(g*=a)%=p;g=gcd(g,p);ll t=1,c=0;for(;t%g;c++){if(t==b)return c;(t*=a)%=p;}if(b%g){return -1;}t/=g;b /= g;ll n=p/g,h=0,gs=1;for(;h*h<n; h++){(gs*=a)%=n;}unordered_map<ll,ll>bs;for(ll s=0,e=b;s<h;bs[e]=++s){(e *= a) %= n;}for(ll s = 0, e = t; s < n;){(e*=gs)%=n;s+=h;if(bs.count(e))return c+s-bs[e];}return -1;}//a^x≡b(modp) x_min
bool isprime(ll N){if(N==1){return false;}if(N==2){return true;}for(ll i=2;i*i<=N;i++){if(N%i==0)return false;}return true;}
static inline ll my_div(ll n, ll p) { return double(n) / p; };
ll prime_counting(ll N) {ll N2 = sqrt(N);ll NdN2 = my_div(N, N2);vec hl(NdN2);rrep(i,NdN2){hl[i] = my_div(N, i) - 1;}vec hs(N2 + 1);iota(begin(hs), end(hs), -1);for (int x = 2, pi = 0; x <= N2; ++x) {if (hs[x] == hs[x - 1]) {continue;}ll x2 = ll(x) * x;ll imax = min<ll>(NdN2, my_div(N, x2) + 1);ll ix = x;for (ll i = 1; i < imax; ++i) {hl[i] -= (ix < NdN2 ? hl[ix] : hs[my_div(N, ix)]) - pi;ix += x;}for (int n = N2; n >= x2; n--) {hs[n] -= hs[my_div(n, x)] - pi;}++pi;}return hl[1];}

//  /*
constexpr ll MAX = 3000000;ll fac[MAX],finv[MAX],inv[MAX];//int main(){cominit();}と打つのを忘れないように.
void cominit(){fac[0]=fac[1]=1;finv[0]=finv[1]=1;inv[1]=1;for(int i=2;i<MAX;i++){fac[i]=fac[i-1]*i%mod;inv[i]=mod-inv[mod%i]*(mod/i)%mod;finv[i]=finv[i-1]*inv[i]%mod;}}
ll binom(ll n,ll k){if(n<k) return 0;if(n<0||k<0) return 0;return fac[n]*(finv[k]*finv[n-k]%mod)%mod;}
ll hom(ll n,ll k){if(n==0&&k==0) return 1;return binom(n+k-1,k);}
ll pom(ll n,ll k){if(n<k) return 0;return fac[n]*finv[n-k]%mod;}
//   */
mat binomial(ll n) {mat a(n+1,vec(n+1));rep(i,n+1)rep(j,i+1){if(j==0||j==i)a[i][j]=1;else a[i][j]=a[i-1][j-1]+a[i-1][j];}return a;}//O(n^2)
template<typename T>T phi(T n) {T ret=n;for(T i = 2; i * i <= n; i++){if(n % i == 0){ret -= ret / i;while(n % i == 0) n /= i;}}if(n > 1){ret -= ret / n;}return ret;}
template<typename T>T extgcd(T a, T b, T &x, T &y){T d = a;if(b != 0){d=extgcd(b,a%b,y,x);y -= (a / b) * x;}else {x = 1;y = 0;}return d;}
mat mat_mul(mat&a,mat&b){mat res(a.size(),vec(b[0].size()));rep(i,a.size()){rep(j,b[0].size()){rep(k,b.size()){(res[i][j]+=a[i][k]*b[k][j])%=mod;}}}return res;}
mat matpow(mat a,ll n){mat res(a.size(),vec(a.size()));rep(i,a.size())res[i][i]=1;while(n>0){if(n & 1)res=mat_mul(a,res);a=mat_mul(a,a);n>>=1;}return res;}
#define cinmat(a,x,y) mat a(x,vec(y));rep(i,x)rep(j,y)cin>>a[i][j];//;をつけなくていいよ!(お気持ちかなり使いやすそう使いにくかったらやめるけども)
#define comat(a,x,y) rep(i,x){rep(j,y){cout<<a[i][j]<<" ";}cout<<endl;}//;をつけなくていいよ！
#define FT(x) fenwick_tree<ll x> //fw(n);としてfw.add(p,x)->fw[p]+x  fw.sum(l,r)->Σ[l,r-1]fw[i] (O(logn)!!)
#define SA(s) vec suffix_arry(s)//よくわかんない
#define LCP(s,a) vec lcp_rray(s,a)//Long Common Prefix
#define ZA(s) z_algorithm(s)//上と同じようなやつ
#define IV(x,m) inv_mod(x,m)//逆元がなんと対応！！  //ついでに pair<ll,ll> crt(r,m) 解なし(0,0) n=0 (0,1) CRT!!
#define FS(n,m,a,b) floor_sum(n,m,a,b)//Σ[0,n-1]floor((a*i+b)/m) (これがなんとO(log(max(n,m,a,b))))
#define FFT(a,b,c) vec a=convolution(b,c)//FFT,NNT 畳み込み <ll m=mod>をFFT()の直後に挿入したらmodできる.
void ACC(vec a,vec &b){b[0]=0;rrep(i,a.size()){b[i]=b[i-1]+a[i-1];}return;}



















//幾何ライブラリの構築をする!!





int main(){
ll a,b;
cin>>a>>b;
cout<<1+a/b<<endl;
}