#include<iostream>
using namespace std;

int main(){
	//input = ツ禿シツ療債つウツづェツづゥツ妥個重
	double input;
	
	cin >>input;
	
	if(input <= 69.00){
		if(input <= 57.00){
			if(input <= 51.00){
				if(input <= 48.00){
					cout <<"light fly" <<endl;
				} else{
					cout <<"fly" <<endl;
				}
			} else{
				if(input <= 54.00){
					cout <<"bantam" <<endl;
				} else{
					cout <<"feather" <<endl;
				}
			}
		} else{
			if(input <= 64.00){
				if(input <= 60.00){
					cout <<"light" <<endl;
				} else{
					cout <<"light welter" <<endl;
				}
			} else{
				cout <<"welter" <<endl;
			}
		}
	} else{
		if(input <= 81.00){
			if(input <= 75.00){
				cout <<"light middle" <<endl;
			} else{
				cout <<"middle" <<endl;
			}
		} else{
			if(input > 91.00){
				cout <<"heavy" <<endl;
			} else{
				cout <<"light heavy" <<endl;
			}
		}
	}
	return 0;
}