#include<bits/stdc++.h>
using namespace std;
int main(){
	char x,y,sum=0,l;
	cin>>x>>y;
	l=y*y;
	sum=x/l*1.0;
	if(sum<18.5) cout<<"Underweight";
	else if(sum>=18.5&&sum<24) cout<<"Normal";
	else cout<<sum<<endl<<"Overweight";
	return 0;
}