n = int(input())
S = input()
T = input()
f = False
ab = 0
bc = 0
for s, t in zip(S, T):
    if s == "A" and t == "B":
        ab += 1
    elif s == "B" and t == "C":
        bc += 1
        f = True

if f and ab == bc:
    print("Yes")
else:
    print("No")