#include <iostream>

using namespace std;

int main(int argc, char **argv)
{
	double tmp;
	
	while(cin >> tmp){
		if(tmp <= 48.0){
			cout << "light fly" << endl;
		} else if(tmp <= 51.0){
			cout << "fly" << endl;
		} else if(tmp <= 54.0){
			cout << "bantam" << endl;
		} else if(tmp <= 57.0){
			cout << "feather" << endl;
		} else if(tmp <= 60.0){
			cout << "light" << endl;
		} else if(tmp  <= 64.0){
			cout << "light welter" << endl;
		} else if(tmp <= 69.0){
			cout << "welter" << endl;
		} else if(tmp <= 75.0){
			cout << "light middle" << endl;
		} else if(tmp <= 81.0){
			cout << "middle" << endl;
		} else if(tmp <= 91.0){
			cout << "light heavy" << endl;
		} else {
			cout << "heavy" << endl;
		}
	}
	
	return 0;
}