#include <bits/stdc++.h>
using namespace std;
#define int long long

vector<vector<int>> A(8,vector<int>(8));

vector<int> now(8);

bool ans = false;

void rotate(){
	vector<int> nex(8);
	for(int i = 0; i < 8; i++){
		nex[i] = now[(i+1)%8];
	}
	now = nex;
}

void dfs(int depth){
	if(depth == 8){
		int cnt = 0;
		for(int i = 0; i < 8; i++) cnt += (now[i]!=0);
		if(cnt == 0) ans = true;
		return;
	}
	vector<int> mae = now;
	for(int i = 0; i <= 8; i++){
		for(int j = 0; j < 8; j++) now[j] -= A[depth][j];
		dfs(depth+1);
		for(int j = 0; j < 8; j++) now[j] += A[depth][j];
		rotate();
	}
	now = mae;
}

signed main(){
  for(int i = 0; i < 8; i++){
    string S;cin>>S;
    for(int j = 0; j < 8; j++){
      A[i][j] = S[j] - '0';
    }
  }
  now = A[0];
  dfs(1);
  ans ? cout << "Yes" << "\n" : cout << "No" << "\n";
}