#include<stdio.h>
#include<stdlib.h>
int main()
{
  int x, p, sum=0;
  scanf("%d %d", &x, &p) ;
  p=100-p;
  while(x>0)
  {
     sum=sum+x;
     x=(p*x)/100;
  }
  print("%d", sum);
  return 0;
}