#include <algorithm>
#include <iostream>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <cmath>
#include <stack>
using namespace std;

int main() {
	int D,P;
	cin >> D >> P;

	int t = D * (100+P) / 100;
	cout << t << endl;
	return 0;
}