#include <iostream>
using namespace std;
int main(){
	double 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 if(w>91.00) cout<<"heavy"<<endl;
	}
	return 0;
}