#include <stdio.h>
  int main()
  {
  float m,h;
  double sum = m/(h*h);
  scanf("%f %f",&m,&h);
 if(sum<18.5)printf("Underweight");       if(sum>=18.5&&sum<24) printf("Normal");
if(sum>24) printf("%.3f\nOverweight"(int)sum);
  }