#include <iostream>
#include <cstdlib>

using std::cout;
using std::cin;
using std::endl;
using std::noshowpoint;

int main(void)
{
  int d;
  float p;

  cin >> d;
  cin >> p;
  p = 0.01 * p;
  cout << (int)(p * d + d) << endl;
  return 0;
}