n = int(input())
s = input()
t = input()
ok = True
ab = 0
bc = 0
ac = 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] == "B" and t[i] == "C":
        bc += 1
    elif s[i] == "A" and t[i] == "C":
        ac += 1
    else:
        ok = False

if ok:
    if ab == 0 and bc == 0 and ac == 0:
        print("Yes")
    elif ab*bc == 0 or ab != bc:
        print("No")
    else:
        print("Yes")
else:
    print("No")