#include<iostream>

using namespace std;

int main(){
	
   float m,h,a;
   
   cin>>m>>h;
   
   a=m/(h*h);
   
   if (a<18.5) cout<<"Underweight";
   
   if (a>=18.5 and a<24) cout<<"Normal";
   
   else{
   	
   	if(a>=24){
   		
   		cout<<a<<endl;
   		
   		cout<<"Overweight";
   	}
	   
   }
   return 0;
}