#include <iostream>
using namespace std;

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