/**
*    author:  boutarou
*    created: 02.08.2020 11:01:53
**/

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < int(n); i++)
using ll = long long;
using P = pair<int, int>;

int main() {
    ll a, b;
    cin >> a >> b;
    cout << (b + a - 1) / a << endl;
    return 0;
}