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

