#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 998244353;
// constexpr int MOD = 1000000007;
constexpr int DY4[]{1, 0, -1, 0}, DX4[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1};
constexpr int DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U>
inline bool chmax(T& a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U>
inline bool chmin(T& a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
  IOSetup() {
    std::cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    std::cout << fixed << setprecision(20);
  }
} iosetup;

int main() {
  int n; string s, t; cin >> n >> s >> t;
  int ab = 0, bc = 0, ac = 0;
  REP(i, n) {
    if (s[i] > t[i]) {
      cout << "No\n";
      return 0;
    }
    if (s[i] == 'A' && t[i] == 'B') ab++;
    if (s[i] == 'B' && t[i] == 'C') bc++;
    if (s[i] == 'A' && t[i] == 'C') ac++;
  }
  while (ac > 0) {
    if (bc == 0) {
      cout << "No\n";
      return 0;
    }
    --ac;
    --bc;
    ++bc;
  }
  cout << (ab == bc ? "Yes" : "No") << '\n';
  return 0;
}