#include<stdio.h>
int main()
{
    float m,h,BMI;
    scanf("%f %f",&m, &h);
    BMI=m/(h*h);
    if(BMI < 18.5)  printf("Underweight");
    if(BMI >= 18.5 && BMI < 24) printf("Normal");
    else
    {   
        printf("%.4f\n",BMI);
        printf("Overweight");
        }
    return 0;
}