#include <stdio.h>
int main()
{
    float m,h;
    scanf("%f %f",&m,&h);
    if(m/(h*h)<18.5)
    {
        printf("Underweight");
    }
    else if(m/(h*h)>24)
    {
        printf("%.6f\n",m/(h*h));
        printf("Overweight");
    }
    else 
    {
        printf("Normal");
    }
    return 0;
}