def can_transform(S, T):
    for i in range(len(S)):
        if S[i] > T[i]:
            return "No"
        elif S[i] < T[i]:
            S = S.replace('C', 'D')
            S = S.replace('B', 'C')
            S = S.replace('A', 'B')
            S = S.replace('D', 'A')
            S = S.replace('A', 'C')
    return "Yes" if S == T else "No"

N = int(input().strip())
S = input().strip()
T = input().strip()

print(can_transform(S, T))