A, B, D, R = map(int, input().split())

W = (D + R - 1) // R + 1
if A != B * W:
	if A < B * W:
		print("turtle")
	else:
		print("rabbit")
else:
	if pow(10, 100, W) == 0:
		print("tie")
	else:
		print("rabbit")