#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

void solve() {
  ll n;
  string s, t;
  cin >> n >> s >> t;
  ll ab = 0, bc = 0, ac = 0;
  rep(i, n) {
    if (s[i] > t[i]) {
      cout << "No" << '\n';
      return;
    }
    if (s[i] == 'A' && t[i] == 'B') {
      ab++;
    }
    if (s[i] == 'A' && t[i] == 'C') {
      ac++;
    }
    if (s[i] == 'B' && t[i] == 'C') {
      bc++;
    }
  }
  bool ok = ab == bc;
  if (ac)
    ok &= ab > 0;
  cout << (ok ? "Yes" : "No") << '\n';
}

int main() {
  std::cin.tie(nullptr);
  std::ios_base::sync_with_stdio(false);
  int T = 1;
  for (int t = 0; t < T; t++) {
    solve();
  }
  return 0;
}