#include<iostream>
using namespace std;
int main(){
	double n;
	while(cin>>n){
		if(n<=48)cout<<"light fly"<<endl;
		else if(n<=51)cout<<"fly"<<endl;
		else if(n<=54)cout<<"bantam"<<endl;
		else if(n<=57)cout<<"feather"<<endl;
		else if(n<=60)cout<<"light "<<endl;
		else if(n<=64)cout<<"light welter"<<endl;
		else if(n<=69)cout<<"welter"<<endl;
		else if(n<=75)cout<<"light middle"<<endl;
		else if(n<=81)cout<<"middle"<<endl;
		else if(n<=91)cout<<"light heavy"<<endl;
		else cout<<"heavy"<<endl;
	}
	return 0;
}