#include <bits/stdc++.h>
using namespace std;
long long power(long long b, long long p) {
  if (b == 0) return 0;
  long long res = 1;
  while (p) {
    if (p % 2) {
      res = (res * b) % 1000000007;
      p--;
    } else {
      b = (b * b) % 1000000007;
      p /= 2;
    }
  }
  return res;
}
long long Root(long long r, vector<long long> &root) {
  while (root[r] != r) {
    root[r] = root[root[r]];
    r = root[r];
  }
  return r;
}
void EE(long long a, long long b, long long &x, long long &y) {
  long long t;
  if (b == 0) {
    y = 0, x = 1;
    return;
  }
  EE(b, a % b, x, y);
  t = x;
  x = y;
  y = t - a / b * y;
}
void build(long long node, long long start, long long end, vector<long long> &a,
           vector<long long> &tree) {
  if (start == end) {
    tree[node] = a[start];
    return;
  }
  long long mid = (start + end) / 2;
  build(2 * node, start, mid, a, tree);
  build(2 * node + 1, mid + 1, end, a, tree);
  tree[node] = tree[2 * node] + tree[2 * node + 1];
}
long long query(long long node, long long start, long long end, long long l,
                long long r, vector<long long> &tree, vector<long long> &lazy) {
  if (lazy[node]) {
    tree[node] = end - start + 1 - tree[node];
    if (start != end) {
      lazy[2 * node] = lazy[2 * node] ^ 1;
      lazy[2 * node + 1] = lazy[2 * node + 1] ^ 1;
    }
    lazy[node] = 0;
  }
  if (start >= l && end <= r) {
    return tree[node];
  }
  if (l > end || r < start) return 0;
  long long mid = (start + end) / 2;
  return query(2 * node, start, mid, l, r, tree, lazy) +
         query(2 * node + 1, mid + 1, end, l, r, tree, lazy);
}
void update(long long node, long long start, long long end, long long l,
            long long r, vector<long long> &tree, vector<long long> &lazy) {
  if (lazy[node]) {
    tree[node] = end - start + 1 - tree[node];
    if (start != end) {
      lazy[2 * node] = lazy[2 * node] ^ 1;
      lazy[2 * node + 1] = lazy[2 * node + 1] ^ 1;
    }
    lazy[node] = 0;
  }
  if (l > end || r < start) return;
  if (start >= l && end <= r) {
    tree[node] = end - start + 1 - tree[node];
    if (start != end) {
      lazy[2 * node] = lazy[2 * node] ^ 1;
      lazy[2 * node + 1] = lazy[2 * node + 1] ^ 1;
    }
    return;
  }
  long long mid = (start + end) / 2;
  update(2 * node, start, mid, l, r, tree, lazy);
  update(2 * node + 1, mid + 1, end, l, r, tree, lazy);
  tree[node] = tree[2 * node] + tree[2 * node + 1];
}
int main() {
  ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  srand(time(NULL));
  ;
  long long n, m, i, j, c, k;
  cin >> n >> m;
  vector<vector<long long> > v1(n, vector<long long>(m)),
      v2(n, vector<long long>(m));
  for (i = 0; i < n; i++)
    for (j = 0; j < m; j++) cin >> v1[i][j];
  for (i = 0; i < n; i++)
    for (j = 0; j < m; j++) cin >> v2[i][j];
  for (i = 0, j = 0; i < n;) {
    vector<long long> a, b;
    for (k = 0; i + k < n && j - k >= 0; k++) {
      a.push_back(v1[i + k][j - k]);
      b.push_back(v2[i + k][j - k]);
    }
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    for (k = 0; k < a.size(); k++)
      if (a[k] != b[k]) {
        cout << "NO";
        return 0;
      }
    if (j < m - 1)
      j++;
    else
      i++;
  }
  cout << "YES";
}
