#include<bits/stdc++.h>
using namespace std;
int main()
{
	double n,m;
	cin>>n>>m;
	double a=n/(m*m);
	if(a<18.5){
		cout<<"Underweight";
	}
	if(a>=18.5&&a<24){
		cout<<"Normal";
	}
	if(a>=24){
		cout<<a<<endl;
		cout<<"Overweight";
	}
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { double a,b; cin>>a>>b; if(a/(bb)<=24 and a/(bb)>=18.5) { cout<<"Normal"; } else if(a/(bb)>24) { double d=a/(bb); cout<<fixed<<setprecision(4)<<d<<endl; cout<<"Overweight"; } else if (a/(b*b)<18.5) { cout<<"Underweight"; } return 0; }