#include<stdio.h>
#include<stdlib.h>
int main()
{
   int sum=0,x1,p1;
   scanf("%d %d",&x1,&p1);
   if(p1>=0 && p1<=100 && x1>=1 && x1<=10000)
   {
       p1=100-p1;
       while(x1>0)
       {
           sum=sum+x1;
           x1=(p1*x1)/100;
       }
       printf("%d",sum);
   }
   else
   printf("invalid inputs");
   return 0;
}