#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int n;
  cin >> n;
  vector a(n, vector<int>(n));
  rep(i, n) rep(j, n) cin >> a[i][j];
  bool ok = true;
  rep(i, n) rep(j, n) rep(k, n) if (a[a[i][j]][k] != a[i][a[j][k]]) ok = false;
  bool exi = false;
  rep(e, n) {
    bool tmp = true;
    rep(i, n) if (a[i][e] != i || a[e][i] != i) tmp = false;
    rep(i, n) {
      bool exis = false;
      rep(j, n) if (a[i][j] == e && a[j][i] == e) exis = true;
      if (!exis) tmp = false;
    }
    if (tmp) exi = true;
  }
  cout << (ok && exi ? "Yes" : "No") << endl;
  return 0;
}