#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define intput(i) cout << i << endl
#define ll long long
#define stringput(s) cout << (string)(s) << endl

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