#include<iostream>
#include<iomanip>
using namespace std;
int main(){
    double m,h;
    cin>>m>>h;
    double b=m/(h*h);
    if(b<18.5){
        cout<<"Underweight";
    }else if(b>=18.5&&b<24){
        cout<<"Normal";
    }else if(b>=24){
        cout<<fixed<<setprecision(6)<<b;
        cout<<endl;
        cout<<"Overweight";
    }
    return 0;
}