n = int(input())
s = input()
t = input()

ab= ac = bc = 0
flag = True

for i in range(n):
    if s[i] > t[i]:
        flag = False
    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

if ab != bc:
    flag = False
if ac > 0 and bc == 0:
    flag = False

print("Yes" if flag else "No")