#include <iostream>
using namespace std;

int main(){
	double w;
	
	while(cin >> w){
		if(w > 91) cout << "heavy";
		else if(w > 81) cout << "light heavy" << endl;
		else if(w > 75) cout << "middle" << endl;
		else if(w > 69) cout << "light middle" << endl;
		else if(w > 64) cout << "welter" << endl;
		else if(w > 60) cout << "light welter" << endl;
		else if(w > 57) cout << "light" << endl;
		else if(w > 54) cout << "feather" << endl;
		else if(w > 51) cout << "bantam" << endl;
		else if(w > 48) cout << "fly" << endl;
		else cout << "light fly" << endl;
	}
	
	return 0;
}