#include <iostream>
using namespace std;

int main() {
    long a, b, count=0;
    cin >> a >> b;
    for(int i=1; a*i-1 < b; ++i) {
        count++;
    
    }
    cout << count << endl;
    //cout << a * 8 << " " << a * 9 << endl;
    return 0;
}