#include<cstdio>
#include <iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> Pr;

ll D, P;

int main()
{
	cin >> D >> P;
	ll ans = D + D * ((double)P / 100);
	cout << ans << endl;
	return	0;
}