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

AB, AC, BC = 0, 0, 0
ans = 1

for i in range(len(s)):
    if s[i] == t[i]:
        continue
    elif s[i] > t[i]:
        ans = 0
    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:
    ans = 0

if AC > 0 and BC == 0:
    ans = 0

if ans:
    print("Yes")
else:
    print("No")