#include <iostream>
using namespace std;

int clas(double a);

int main()
{
	double weight = 0;

	while( cin >> weight ){
		clas(weight);
	}
	return 0;
}

int clas(double a){

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

	return 0;
}