#include <iostream>

using namespace std;

int main(){
	double w;

	while(cin >> w){

		if(w == 0) break;

		if(48.00 >= w){
			cout << "light fly" << endl;
		}else if(w > 48.00 && w <= 51.00){
			cout << "fly" << endl;
		}else if(w > 51.00 && w <= 54.00){
			cout << "bantam" << endl;
		}else if(w > 54.00 && w <= 57.00){
			cout << "feather" << endl;
		}else if(w > 57.00 && w <= 60.00){
			cout << "light" << endl;
		}else if(w > 60.00 && w <= 64.00){
			cout << "light welter" << endl;
		}else if(w > 64.00 && w <= 69.00){
			cout << "welter" << endl;
		}else if(w > 69.00 && w <= 75.00){
			cout << "light middle" << endl;
		}else if(w > 75.00 && w <= 81.00){
			cout << "middle" << endl;
		}else if(w > 81.00 && w <= 91.00){
			cout << "light heavy" << endl;
		}
		else{
			cout << "heavy" << endl;
		}
	}

	return 0;
}