
#include<iostream>
using namespace std;

int main()
{
	double w;
	while (cin >> w) {
		if (w <= 48.00) {
			cout << "light fly" << endl;
		}
		else if (48.00 < w && w <= 51.00) {
			cout << "fly" << endl;
		}
		else if (51.00 < w && w <= 54.00) {
			cout << "bantam" << endl;
		}
		else if (54.00 < w && w <= 57.00) {
			cout << "feather" << endl;
		}
		else if (57.00 < w && w <= 60.00) {
			cout << "light" << endl;
		}
		else if (60.00 < w && w <= 64.00) {
			cout << "light welter" << endl;
		}
		else if (64.00 < w && w <= 69.00) {
			cout << "welter" << endl;
		}
		else if (69.00 < w && w <= 75.00) {
			cout << "light middle" << endl;
		}
		else if (75.00 < w && w <= 81.00) {
			cout << "middle" << endl;
		}
		else if (81.00 < w && w <= 91.00) {
			cout << "light heavy" << endl;
		}
		else{
			cout << "heavy" << endl;
		}
	}
    return 0;
}