#include <iostream>

using namespace std;

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