#include<iostream>
using namespace std;

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