#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

int main(void)
{
    double percent,totaltime=0;
    int min;
    scanf("%lf",&percent);
    scanf("%d",&min);
    totaltime=min/((100-percent)/100);
    printf("%d",(int)totaltime);
}