using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

public class Program

{

    public static void Main()

    {

        List<int> a, b;

        a = new List<int>(){0,1,2};

        b = new List<int>(){0,2};

        List<int> c = a.Intersect(b).ToList();

        Console.WriteLine($"{c}");

    }

}