#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>
#include <sstream>

using namespace std;


int main() {
	int i, j;
	double k, s;

	cin >> k >> s;

	//double num = ((100 / (100 - k)) * 100000) * s;
	double num = (100 * s) / (100 - k );

	long long nn = num;

	//nn /= 100000;

	cout << nn << endl;







	getchar();
	getchar();
	return 0;
}