#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using mint = atcoder::modint998244353;

int main(){
	int n;
	string s,t;
	cin>>n>>s>>t;
	int ca=0,cb=0,cd=0;
	rep(i,n){
		if(s.at(i)==t.at(i)) continue;
		else if(s.at(i)=='A'){
			if(t.at(i)=='B') ca++;
			else cd++;
		}else if(s.at(i)=='B'&&t.at(i)=='C') cb++;
		else{
			cout<<"No\n";
			return 0;
		}
	}
	if(cb>0) cd=0;
	if(ca==cb&&cd==0){
		cout<<"Yes\n";
	}else{
		cout<<"No\n";
	}
}