#include <stdio.h>
#include <iostream>

using namespace std;

int main() {

	double a;

	while (cin >> a) {
		if (a <= 48.0) {
			cout << "light fly" << endl;
		} else if (a <= 51.0) {
			cout << "fly" << endl;
		} else if (a <= 54.0) {
			cout << "bantam" << endl;
		} else if (a <= 57.0) {
			cout << "feather" << endl;
		} else if (a <= 60.0) {
			cout << "light" << endl;
		} else if (a <= 64.0) {
			cout << "light welter" << endl;
		} else if (a <= 69.0) {
			cout << "welter" << endl;
		} else if (a <= 75.0) {
			cout << "light middle" << endl;
		} else if (a <= 81.0) {
			cout << "middle" << endl;
		} else if (a <= 91.0) {
			cout << "light heavy" << endl;
		} else {
			cout << "heavy" << endl;
		}
	}

	return 0;
}