def solve() -> bool:

    _, S, T = input(), input(), input()

    nab = 0
    nac = 0
    nbc = 0

    for a, b in zip(S, T):
        if a == b:
            continue

        if a == 'A' and b == 'B':
            nab += 1
        elif a == 'A' and b == 'C':
            nac += 1
        elif a == 'B' and b == 'C':
            nbc += 1
        else:
            return False

    nt2 = nab + nbc + nac * 2

    if nt2 % 2:
        return False

    if nab != nbc:
        return False

    if nac and not nbc:
        return False

    return True


print("Yes" if solve() else "No")