using System;

public class Program

{

    public static void Main()

    {

        var arrA = new int[] {2, 10, 15, 22, 30, 33, 40};

        var arrB = new int[] {1, 15, 24, 30, 40, 45, 60 };

        var i = 0;

        var j = 0;

        while(i < arrA.Length && j < arrB.Length){

            var elA = arrA[i];

            var elB = arrB[j];

            if (elA == elB)

            {

                Console.WriteLine(elB);

                i++; j++;

                continue;

            }

            if (elA > elB)

            {

                j++; continue;

            }

            if (elA < elB)

            {

                i++; continue;

            }

        }

        Console.ReadLine();

    }

}