#include <cstdio>
#include <cstdlib>
#include <cmath>

int main(void)
{
  double a,d,p;

  scanf("%lf",&d);
  scanf("%lf",&p);

  p = 0.01 * p;
  // printf("%f\n",p*d);
  a = floor(p*d);
  printf("%d\n", (int)(a + d));

  return 0;
}