import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	static int n = 8;
	static int[][] a;
	static int[] c;

	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		char[][] s = new char[n][n];
		for (int i = 0; i < n; i++) {
			s[i] = br.readLine().toCharArray();
		}
		br.close();

		a = new int[n][n];
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < n; j++) {
				a[i][j] = s[i][j] - '0';
			}
		}
		c = new int[n];
		if (dfs(1, new int[n])) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}

	static boolean dfs(int x, int[] b) {
		if (x == n) {
			System.arraycopy(a[0], 0, c, 0, n);
			for (int i = 1; i < n; i++) {
				for (int j = 0; j < n; j++) {
					c[(b[i] + j) % n] -= a[i][j];
				}
			}
			boolean flg = true;
			for (int j = 0; j < n; j++) {
				if (c[j] != 0) {
					flg = false;
					break;
				}
			}
			return flg;
		}

		for (int i = 0; i < n; i++) {
			b[x] = i;
			if (dfs(x + 1, b)) {
				return true;
			}
		}
		return false;
	}
}