#include <bits/stdc++.h>
using namespace std;
int main() {
  long long i, n, r, S, Z, s1, s2, s3, s4, s5, s6, s7, s8, x, y, z, m, j, l, k,
      t;
  long long a[200045];
  long long b[123][3];
  long long c[100001];
  long long d[100001];
  long long e[1000001];
  pair<long long, long long> aa[100001];
  double w, u, v, uu, vv;
  string q1;
  string q2;
  string q3;
  string q4;
  string s;
  string sq[3001];
  string qs[3001];
  map<long long, long long> g;
  map<long long, long long>::iterator it;
  cin >> sq[1] >> sq[2];
  cin >> qs[1] >> qs[2];
  q1 = sq[1] + sq[2][1] + sq[2][0];
  q2 = qs[1] + qs[2][1] + qs[2][0];
  for (i = 0; i < 4; i++) {
    if (q2[i] != 'X') q4 = q4 + q2[i];
  }
  for (i = 0; i < 4; i++) {
    if (q1[i] != 'X') q3 = q3 + q1[i];
  }
  q3 = q3 + q3;
  for (i = 0; i < 4; i++) {
    if (q3[i] == q4[0] && q3[i + 1] == q4[1] && q3[i + 2] == q4[2]) {
      cout << "YES";
      exit(0);
    }
  }
  cout << "NO";
}
