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

int N;
string S, T;
int main(void){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    cin >> N >> S >> T;
    bool f = true;
    for(int i = 0;i < N;i++){
        f &= (S[i] <= T[i]);
    }
    for(int i = 0, a = 0;i < N;i++){
        if(S[i] == T[i])continue;
        if(S[i] == 'A'){
            if(T[i] == 'C'){
                if(a-- == 0)f = false;
            }
            a += 1;
        }
        if(S[i] == 'B'){
            if(a-- == 0)f = false;
        }
        if(i == N - 1 && a != 0)f = false;
    }
    cout << (f ? "Yes\n" : "No\n");
    return 0;
}