# STで異なる組だけを見る
# [BC, AC]を[CC, BC]に変える、[AB, BC]を[BB, CC]に変える

N = int(input())
S = input()
T = input()

from collections import defaultdict
dic = defaultdict(int)

for i in range(N):
    if S[i] == T[i]:
        continue
    dic[(S[i], T[i])] += 1
    
#print(dic)

if dic[('B', 'C')] > 0 and dic[('A', 'C')] > 0 and dic[('A', 'B')] > 0:
    ABACBC = min(dic[('A', 'B')], dic[('A', 'C')], dic[('B', 'C')])
    dic[('A', 'C')] = 0
    dic[('A', 'B')] -= ABACBC
    dic[('B', 'C')] -= ABACBC

ABBC = min(dic[('A', 'B')], dic[('B', 'C')])
dic[('A', 'B')] -= ABBC
dic[('B', 'C')] -= ABBC
    
ans = 'Yes'
for i in ['A', 'B', 'C']:
    for j in ['A', 'B', 'C']:
        if dic[(i, j)] > 0:
            ans = 'No'
print(ans)

#print(dic)