P = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
N = int(input().strip())

for _ in range(N):
	A, B, C, D, R = input().split()
	S = {int(A), int(B), int(C), int(D)}
	
	if R == "YES":
		P &= S
	else:
		P -= S
		
print(*sorted(P))