#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <cmath>
#include <iomanip>
#include <map>
using namespace std;
typedef long long LL;

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