from collections import defaultdict as dd

N = int(input())
S = list(input())
T = list(input())

dic = dd(lambda:0)

for i in range(N):
    if S[i] == "B" and T[i] == "A":
        print("No")
        exit()
    elif S[i] == "C" and (T[i] == "B" or T[i] == "A"):
        print("No")
        exit()
    elif S[i] == T[i]:
        continue
    s = S[i]+T[i]
    dic[s] += 1

if 0<dic["AB"] and dic["AB"]==dic["BC"] and (dic["BC"] < dic["AC"] or dic["AC"]==0):
    print("Yes")
elif dic["AB"]==dic["AC"]==dic["BC"]==0:
    print("Yes")
else:
    print("No")