#include <iostream>
using namespace std;

int main() {
	long long K, S;
	cin >> K >> S;
	long long ans;
	ans = 100 * S / (100 - K);
	cout << ans << endl;

	// K : X - S = 100 : X
	// K * X = 100X - 100S
	// (100 - K)X = 100S

	return 0;
}