#include<bits/stdc++.h>
using namespace std;
int main(){
	int a;
	double b;
	cin>>a>>b;
	double c;
	int u;
	c=a*1.0/b/b;
	if(c<18.5){
		cout<<"Underweight";
		return 0;
	}
	if(c>=18.5&&c<24){
		cout<<"Normal";
		return 0;
	}
	else{
		u=100000*c;
		if(u%10>=5){
			u=u/10+1;
		}
		else u/=10;
		int o=0;
		while(u%10==0){
			u/=10;
			o++;
		}
		int y=4;
		y=y-o;
		int ss=1;
		for(int i=1;i<=y;i++){
			ss*=10;
		}
		cout<<(double)u/ss<<endl;
		cout<<"Overweight";
	}
	return 0;
}