#include<iostream>

using namespace std;

int main(void)
{
	double w;
	while(cin>>w)
	{
		if(w<=48)cout<<"light fly";
		else if(w<=51)cout<<"fly";
		else if(w<=54)cout<<"bantam";
		else if(w<=57)cout<<"feather";
		else if(w<=60)cout<<"light";
		else if(w<=64)cout<<"light welter";
		else if(w<=69)cout<<"welter";
		else if(w<=75)cout<<"light middle";
		else if(w<=81)cout<<"middle";
		else if(w<=91)cout<<"light heavy";
		else cout<<"heavy";
		cout<<endl;
	}
}