#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <stack>
#include <cmath>
#include <functional>
#define rep(i,n) for (int i=0;i<(n);i++)

using namespace std;

int main(){
	int A, B;
	cin >> A >> B;


	int x = A + floor(A * (double)B / 100);
	cout << x << endl;
	return 0;
}