N = int(input())
S = list(input())
T = list(input())
s = [S.count("A"), S.count("B"), S.count("C")]
t = [T.count("A"), T.count("B"), T.count("C")]
if s[1] == 0:
    if S == T:
        print("Yes")
    else:
        print("No")
else:
    if s[1] == t[1] and s[0] >= t[0]:
        ab, ac, bc = 0, 0, 0
        for i in range(N):
            if S[i] == T[i]:
                continue
            elif S[i] == "A" and T[i] == "B":
                ab += 1
            elif S[i] == "A" and T[i] == "C":
                ac += 1
            elif S[i] == "B" and T[i] == "C":
                bc += 1
            else:
                print("No")
                exit()
        if bc:
            if ab == bc:
                print("Yes")
            else:
                print("NO")
        else:
            if ab == ac == 0:
                print("Yes")
            else:
                print("No")
    else:
        print("No")