N = int(input())
S = list(input())
T = list(input())
s = [S.count("A"), S.count("B"), S.count("C")]
t = [T.count("A"), T.count("B"), T.count("C")]
if s[1] == 0:
    if s == t:
        print("Yes")
    else:
        print("No")
else:
    if s[1] == t[1] and s[0] >= t[0]:
        print("Yes")
    else:
        print("No")