#include <iostream>
#include <set>
using namespace std;

#define endl '\n'
typedef long long ll;

void solve() {
    int a, b;
	cin >> a >> b;

	int div = b/a;
	int steps = div + (b%a & 1);
	cout << steps << endl;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    solve();
    return 0;
}