#include<iostream>
using namespace std;
int main(){
	float w;
	while(cin>>w){
		if(w<=48.00){
			cout<<"light fly"<<endl;
		}else if(w>48.00&&w<=51.00){
			cout<<"fly"<<endl;
		}else if(w>51.00&&w<=54.00){
			cout<<"bantam"<<endl;
		}else if(w>54.00&&w<=57.00){
			cout<<"feather"<<endl;
		}else if(w>57.00&&w<=60.00){
			cout<<"light"<<endl;
		}else if(w>60.00&&w<=64.00){
			cout<<"light welter"<<endl;
		}else if(w>64.00&&w<=69.00){
			cout<<"welter"<<endl;
		}else if(w>69.00&&w<=75.00){
			cout<<"light middle"<<endl;
		}else if(w>75.00&&w<81.00){
			cout<<"middle"<<endl;
		}else if(w>81.00&&w<=91.00){
			cout<<"light heavy"<<endl;
		}else{
			cout<<"heavy"<<endl;
		}
	}
		return 0;
	}