#include <bits/stdc++.h>
#define INF 2000000000000000000
#define ll long long
#define pll pair<ll, ll>
using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll D, P;
  cin >> D >> P;
  ll ans = D * P / 100 + D;
  cout << ans << "\n";
}