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