#include <iostream>


using namespace std;

int main(){
	for(int i=0; i<=1000; i++){
		double a;
		cin>>a;
		if(a<=48.00){
		cout<<"light fly"<<endl;
		}
		else if(a>48.00&&a<=51.00){
		cout<<"fly"<<endl;
		}
		else if(a>51.00&&a<=54.00){
		cout<<"bantam"<<endl;
		}
		else if(a>54.00&&a<=57.00){
		cout<<"feather"<<endl;
		}
		else if(a>57.00&&a<=60.00){
		cout<<"light"<<endl;
		}
		else if(a>60.00&&a<=64.00){
		cout<<"light welter"<<endl;
		}
		else if(a>64.00&&a<=69.00){
		cout<<"welter"<<endl;
		}
		else if(a>69.00&&a<=75.00){
		cout<<"light middle"<<endl;
		}
		else if(a>75.00&&a<=81.00){
		cout<<"middle"<<endl;
		}
		else if(a>81.00&&a<=91.00){
		cout<<"light heavy"<<endl;
		}
		else if(a>91.00){
		cout<<"heavy"<<endl;
		}

	}


	getchar();
	getchar();
	return 0;
}