using System;

​

public class MainClass

{

    public static void Main()

    {

        int a = Convert.ToInt32(Console.ReadLine());

        int n3 = a % 3;

        int n2 = a / 10 % 10;

        int n1 = a / 100;

        if (n3 != n2 && n2 != n1 && n1 != n3);

        {

            Console.Write("YES");

        }

        else

        {

            Console.Write("NO");

        }

    }

}