#include<iostream>
using namespace std;

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