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:"0001200002020202020020200020004400422020202020020200020012243030220422002200342242003223".getBytes())out.print(asList("tree","fire","gold","moon","water").get(i-48));
	}
}