using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Intersection(List<MeasureFilter> data, List<int> measureIds)

    {            

        var filterIDs = data.Where(x => measureIds.Contains(x.MeasureID))

            .GroupBy(x => x.MeasureID).Select(x => x.Select(y => y.FilterID))

            .Aggregate((a, b) => a.Intersect(b)).ToList();

        Console.WriteLine(string.Join(",", measureIds) + ":\t" + string.Join(",", filterIDs));

    }

    public class MeasureFilter

    {

        public MeasureFilter(int MeasureID, int FilterID)

        {

            this.MeasureID = MeasureID;

            this.FilterID = FilterID;

        }

        public int MeasureID { get; set; }

        public int FilterID { get; set; }

    }

    public static void Main()

    {

        var data = new List<MeasureFilter>{

            new MeasureFilter(3,1),

            new MeasureFilter(3,2),

            new MeasureFilter(4,1),

            new MeasureFilter(4,2),

            new MeasureFilter(4,3),

            new MeasureFilter(4,4),

            new MeasureFilter(4,5),

            new MeasureFilter(5,1),

        };

        Intersection(data, new List<int> { 3, 4 });

        Intersection(data, new List<int> { 3, 4, 5 });

        Intersection(data, new List<int> { 4 });    

    }

}