#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using i64 = long long;
#define var auto

int main() {
    cin.tie(0)->sync_with_stdio(false);
    int n;
    string s, t;
    cin >> n >> s >> t;
    int a = 0;
    int b = 0;
    int c = 0;
    for (int i = 0; i < n; i++) {
        if (s[i] == t[i]) continue;
        if (s[i] == 'A' && t[i] == 'B') a++;
        else if (s[i] == 'B' && t[i] == 'C') b++;
        else if (s[i] == 'A' && t[i] == 'C') c++;
        else {
            cout << "No" << endl;
            return 0;
        }
    }
    if (c > 0 && b == 0) {
        cout << "No" << endl;
        return 0;
    }
    if (a != b) {
        cout << "No" << endl;
        return 0;
    }
    cout << "Yes" << endl;
}