#include<bits/stdc++.h>
using namespace std;

int main(){
    int n; cin >> n;
    string s, t; cin >> s >> t;
    int p = 0, q = 0, r = 0;
    for (int i = 0; i < n; i++){
        int x = s[i] - 'A';
        int y = t[i] - 'A';
        if (x > y){
            cout << "No" << endl;
            return 0;
        }
        if (x == y) continue;
        if (x == 0 && y == 1){
            p++;
        }
        else if (x == 0 && y == 2){
            q++;
        }
        else if (x == 1 && y == 2){
            r++;
        }
        else {
            abort();
        }
    }
    if (p != r){
        cout << "No" << endl;
        return 0;
    }
    if (q >= 1 && r == 0){
        cout << "No" << endl;
    }
    else {
        cout << "Yes" << endl;
    }
}