using System;

public class Program

{

    public static void Main()

    {

        int  x, a = 0;

        bool ok = true;

        for (int i = 1; i <= 10; i++)

        {

            x = int.Parse(Console.ReadLine());

            if (x < 10000)

            {

                while (x != 0)

                {

                    a = x % 10;

                    if (a != 9 && a != 2 && a != 6)

                        ok = false;

                    x = x / 10;

                }

            }

            else ok = false;

        }

        if (ok == true)

            Console.WriteLine("Yes");

        else Console.WriteLine("no");

    }

}

​