#include "bits/stdc++.h"
using namespace std;

typedef long long Int;
#define REP(i,n) for(int (i)=0;(i)<(int)(n);++(i))

int main() {
	int D; cin >> D;
	int P; cin >> P;
	cout << (int)(D * (100 + P) / 100) << endl;
}