#include <bits/stdc++.h>

using namespace std;

void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    long long a, b;
    cin >> a >> b;
    if (a == 1) {
        cout << 0 << endl;
    } else {
        cout << b / (a - 1) << endl;
    }
}