import java.math.BigInteger;
import static java.lang.System.*;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception{
		String[]x={"tree","fire","gold","moon","water"};
		BigInteger b=new BigInteger("4k8orvt45xfetts7f5f7w9flurp2bmks14vsoi6r",36),f=new BigInteger("5");
		for(int i=0;i<88;i++,b=b.divide(f))out.print(x[b.mod(f).intValue()]);
	}
}