#include <iostream>

using namespace std;

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