#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
    int n;
    cin >> n;
    string s, t;
    cin >> s >> t;
    int r = 0;
    int a = 0;
    int b = 0;
    rep(i,n){
        if(s[i]==t[i]) continue;
        else if(s[i]=='A' && t[i]=='C') r++;
        else if(s[i]=='A' && t[i]=='B') a++;
        else if(s[i]=='B' && t[i]=='C') b++;
        else {
            cout << "No" << endl;
            return 0;
        }
    }
    if(r>0 && b==0){
        cout << "No" << endl;
        return 0;
    }
    if(a==b){
        cout << "Yes" << endl;
    }    
    else{
        cout << "No" << endl;
    }
    return 0;
}