#include <bits/stdc++.h>

using namespace std;

int main(){
	double input;
	while(cin >> input){
		if(input <= 48.00) cout << "light fly" << endl;
		else if(input <= 51.00) cout << "fly" << endl;
		else if(input <= 54.00) cout << "bantam" << endl;
		else if(input <= 57.00) cout << "feather" << endl;	
		else if(input <= 60.00) cout << "light" << endl;	
		else if(input <= 64.00) cout << "light welter" << endl;	
		else if(input <= 69.00) cout << "welter" << endl;	
		else if(input <= 75.00) cout << "light middle" << endl;	
		else if(input <= 81.00) cout << "middle" << endl;	
		else if(input <= 91.00) cout << "light heavy" << endl;	
		else cout << "heavy" << endl;
	}
}