#include <iostream>
using namespace std;

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