#include<iostream>

using namespace std;

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