#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
using namespace std;

using uint = unsigned int;
using ll = long long;

inline ll CountStep( const ll& D , const ll& L ) { return D >= 0 ? D / L + ( D % L == 0 ? 0 : 1 ) : CountStep( - D , L );}

int main()
{

  ll D;
  cin >> D;
  ll P;
  cin >> P;
  
  cout << ( D * ( 100 + P ) ) / 100 << endl;
  return 0;

}