#include<stdio.h>
int main() { double wei,hei; scanf("%lf %lf",&wei,&hei);
double bmi;
hei = hei /100.0;
bmi = wei/(hei*hei);
printf("%.2lf",bmi);
}
#include<stdio.h>
int main() { double wei,hei; scanf("%lf %lf",&wei,&hei);
double bmi;
hei = hei /100.0;
bmi = wei/(hei*hei);
printf("%.2lf",bmi);
}