## https://yukicoder.me/problems/no/2629

MOD = 998244353
MAX = 10 ** 5

def main():
    N = int(input())
    S = input()
    T = input()


    a_to_b = 0
    a_to_c = 0
    b_to_c = 0
    for i in range(N):
        s = S[i]
        t = T[i]
        if s > t:
            print("No")
            return
        elif s == t:
            continue
        elif s == "A" and t == "B":
            a_to_b += 1
        elif s == "A" and t == "C":
            a_to_c += 1
        elif s == "B" and t == "C":
            b_to_c += 1


    if a_to_c == 0:
        if a_to_b == b_to_c:
            print("Yes")
        else:
            print("No")
    else:
        if b_to_c == 0:
            print("No")
        else:
            if a_to_b == b_to_c:
                print("Yes")
            else:
                print("No")








if __name__ == "__main__":
    main()