using System;

public class Program

{

    public static void Main()

    {

        int[] a = new int[5] {45, 67, 67, 88, 123};

        int[] b = new int[10] {36, 49, 67, 69, 121, -1, -1, -1, -1, -1}; //-1 denotes an empty slot

        MergeArrays(a, b);

        Console.WriteLine("b=" + String.Join(",", b));

    }

    void MergeArrays(int[] a, int[] b)

    {

    }

}