#include<stdio.h>
int main(){
    float bmi;
    scanf("%f",&bmi);
    if(bmi < 18.5){
     printf("Underweight\n");
    else if(bmi >= 18.5 && bmi <= 24.9){
        printf("Normal Weight|n");
    }else if(bmi >= 25){
        printf("Overweight|n");
    }
    return 0;
    }