using System.Numerics;

public class Program
{
    public static void Main()
    {

        //BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        int num = int.Parse(Console.ReadLine() ?? string.Empty);
        //string[] moji = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;

        if(num<=5)
        {
            Console.WriteLine("NO");
        }
        else if(num % 2==0)
        {
            Console.WriteLine("YES");
        }
        else
        {
            for(int i = 2;i <= num-1;i++)
            {
                if(num% i==0)
                {
                    Console.WriteLine("YES");
                    return;
                }
            }
            Console.WriteLine("NO");
        }
         
            

    }
}