import static java.lang.System.*;
import static java.util.Arrays.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		for(int i:"伜C億伽佼包佼佼億佼伶挌捕佼包佼佼億佼仕冊交兄捕伽億B捕杜井備".getBytes())out.print(asList("","water","gold","tree","fire","moon").get(~i&7));
	}
}