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

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

print(can_transform(S, T))