#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <cmath>
#include <stack>
#include <set>
#include <map>
typedef long long ll;
typedef unsigned int uint;
using namespace std;


int main() {
	int num;
	int p;
	cin >> num;
	cin >> p;

	double pi = (100 + p) / 100.0;

	cout << (int)(num * pi)  << endl;

}