S = input()
T = input()


def parse(S, p=0):
    if p == len(S) or S[p] != "(":
        return p, 0
    assert S[p] == "("
    p += 1
    p, a = parse(S, p)
    assert S[p] == "|"
    p += 1
    p, b = parse(S, p)
    assert S[p] == ")"
    p += 1
    p, c = parse(S, p)
    return p, (a, b, c)


def compare(S, T):
    if S == 0:
        return 1
    if T == 0:
        return 0
    if S[0] != T[0]:
        return compare(S[0], T[0])
    assert 0


S = parse(S)[1]
T = parse(T)[1]
print(compare(S, T))