#include <iostream>
using namespace std;

int main() {
	double w;
	while (cin >> w) {
		if (w <= 48) {
			cout << "light fly" << endl;
		} else if (w <= 51) {
			cout << "fly" << endl;
		} else if (w <= 54) {
			cout << "bantam" << endl;
		} else if (w <= 57) {
			cout << "feather" << endl;
		} else if (w <= 60){
			cout << "light" << endl;
		} else if (w <= 64) {
			cout << "light welter" << endl;
		} else if (w<=69){
			cout << "welter" << endl;
		} else if (w <= 75) {
			cout << "light middle" << endl;
		} else if (w <= 81) {
			cout << "middle" << endl;
		} else if (w <= 91){
			cout << "light heavy" << endl;
		} else {
			cout << "heavy" << endl;
		}
	}

	return 0;
}