#include<iostream>
using namespace std;
int main(){
	double w;
	while(cin >> w){
		if(w <= 48.00) 
			cout << "light fly";
		else if(w >= 48.00 && w <= 51.00) 
			cout << "fly";
		else if(w >= 51.00 && w <= 54.00) 
			cout << "bantam";
		else if(w >= 54.00 && w <= 57.00) 
			cout << "feather";
		else if(w >= 57.00 && w <= 60.00) 
			cout << "light";
		else if(w >= 60.00 && w <= 64.00) 
			cout << "light welter";
		else if(w >= 64.00 && w <= 69.00) 
			cout << "welter";
		else if(w >= 69.00 && w <= 75.00) 
			cout << "light middle";
		else if(w >= 75.00 && w <= 81.00) 
			cout << "middle";
		else if(w >= 81.00 && w <= 91.00) 
			cout << "light heavy";
		else 
			cout << "heavy";
	}
}