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

int main() {
    int N;
    cin >> N;
    string S, T;
    cin >> S >> T;
    if(S == T) {
        cout << "Yes" << endl;
        return 0;
    }
    int sA(0), sB(0), sC(0), tA(0), tB(0), tC(0);
    for(int i = 0; i < N; i++) {
        if(S[i] == 'A') sA++;
        if(S[i] == 'B') sB++;
        if(S[i] == 'C') sC++;
    }
    for(int i = 0; i < N; i++) {
        if(T[i] == 'A') tA++;
        if(T[i] == 'B') tB++;
        if(T[i] == 'C') tC++;
    }
    for(int i = 0; i < N; i++) {
        if(T[i] < S[i]) {
            cout << "No" << endl;
            return 0;
        }
    }
    int cnt(0);
    for(int i = 0; i < N; i++) {
        if(S[i] == 'B' && T[i] == 'C') cnt++;
    }
    if(cnt == 0) {
        if(S != T) {
            cout << "No" << endl;
            return 0;
        }
    }
    if(((0 < sB) && (sB == tB)) && ((tA <= sA) && (sA - tA) == (tC - sC))) {
    }else {
        cout << "No" << endl;
        return 0;
    }
    cout << "Yes" << endl;
    return 0;
}