#include <iostream>
using namespace std;

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