#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
  long long N,K;
  int A[100009];
int main(){
  // input
  int D,P;
  cin >> D >> P;


  float ans =( D * (100 + P))/100;
  long long int  answer = ans;
  cout << answer << endl;
  return 0;
}