#include<iostream>
using namespace std;
int main()
{
	double a;
	while (cin >> a){
		if (a <= 48.0){
			cout << "light fly";
		}
		else if (a > 48.0&&a <= 51.0){
			cout << "fly";
		}
		else if (a > 51.0&&a <= 54.0){
			cout << "bantam";
		}
		else if (a > 54.0&&a <= 57.0){
			cout << "feather";
		}
		else if (a > 57.0&&a <= 60.0){
			cout << "light";
		}
		else if (a > 60.0&&a <= 64.0){
			cout << "light welter";
		}
		else if (a > 64.0&&a <= 69.0){
			cout << "welter";
		}
		else if (a > 69.0&&a <= 75.0){
			cout << "light middle";
		}
		else if (a > 75.0&&a <= 81.0){
			cout << "middle";
		}
		else if (a > 81.0&&a <= 91.0){
			cout << "light heavy";
		}
		else{
			cout << "heavy";
		}
		cout << endl;
	}
}