#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  using A = array<unsigned char, 8>;
  A a[8];
  rep(i, 8) {
    rep(j, 8) {
      char c;
      cin >> c;
      a[i][j] = c - '0';
    }
  }
  A now = a[0];
  auto dfs = [&](auto&& self, int i) -> void {
    if (i == 8) {
      rep(j, 8) if (now[j]) return;
      cout << "Yes\n";
      exit(0);
    }
    rep(s, 8) {
      rep(j, 8) now[(s + j) % 8] -= a[i][j];
      self(self, i + 1);
      rep(j, 8) now[(s + j) % 8] += a[i][j];
    }
  };
  dfs(dfs, 1);
  cout << "No\n";
}