#include <iostream>

using namespace std;

void solve()
{
	double weight;
	while(~scanf("%lf", &weight))
	{
		if(weight <= 48.0)
		{
			cout << "light fly" << endl;
		}
		else if(weight <= 51.0)
		{
			cout << "fly" << endl;
		}
		else if(weight <= 54.0)
		{
			cout << "bantam" << endl;
		}
		else if(weight <= 57.0)
		{
			cout << "feather" << endl;
		}
		else if(weight <= 60.0)
		{
			cout << "light" << endl;
		}
		else if(weight <= 64.0)
		{
			cout << "light welter" << endl;
		}
		else if(weight <= 69.0)
		{
			cout << "welter" << endl;
		}
		else if(weight <= 75.0)
		{
			cout << "light middle" << endl;
		}
		else if(weight <= 81.0)
		{
			cout << "middle" << endl;
		}
		else if(weight <= 91.0)
		{
			cout << "light heavy" << endl;
		}
		else
		{
			cout << "heavy" << endl;
		}
	}
}

int main()
{
	solve();
	return(0);
}