#include <iostream>
using namespace std;

int main()
{
	double w;
	while(cin >> w)
	{
		if(w <= 48)
			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 << "lihgt 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;
}