N=int(input())
S=list(input())
T=list(input())
x=0
y=0
z=0
ans="Yes"
for i in range(N):
    if(S[i]>T[i]):
        ans="No"
        break
    elif(S[i]<T[i]):
        if(S[i]=="A" and T[i]=="B"):
            x+=1
        if(S[i]=="A" and T[i]=="C"):
            y+=1
        if(S[i]=="B" and T[i]=="C"):
            z+=1
if(z==0 and (x+y)>0):
    ans="No"
else:
    if(x!=z):
        ans="No"
print(ans)