#include<stdio.h>
int main(){
    double m,h,BMI;
    scanf("%lf %lf",&m,&h);
    BMI=m/(h*h);
    if(BMI<18.5){
        printf("Underweight");
    }
    else if(BMI>=18.5&&BMI<24){
        printf("Normal");
    }
    else if(BMI>=24){
        printf("%.6g\n",BMI);
        printf("Overweigh");
        }
    return 0;
}