#include <iostream>
#include <cmath>
#include <algorithm>

using namespace std;

int main(void){
	double n;
	while(cin >> n){
		if (n<=48)
			cout << "light fly" << endl;
		else if(n<= 51)
			cout << "fly" << endl;
		else if(n<=54)
			cout << "bantam" << endl;
		else if(n<= 57)
			cout << "feather" << endl;
		else if(n<= 60)
			cout << "light" << endl;
		else if(n<= 64)
			cout << "light welter" << endl;
		else if(n<= 69)
			cout << "welter" << endl;
		else if(n<= 75)
			cout << "light middle" << endl;
		else if(n<= 81)
			cout << "middle" << endl;
		else if(n<= 91)
			cout << "light heavy" << endl;
		else
			cout << "heavy" << endl;
	}

	return 0;
}