using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input the data list separated by spaces:");

        string[] d = Spleet(Console.ReadLine(), ' ');

        int[] data = new int[d.Length];

        for(int i = 0; i < d.Length; i++)

        {

            data[i] = Convert.ToInt32(d[i]);

        }

        Console.WriteLine("Input the sum:");

        int sum = Convert.ToInt32(Console.ReadLine());

        if(data.Length == 0)

        {

            Console.WriteLine("Null");

        }

        else

        {

            int[] ans = GetTriplets(data, sum);

            if(ans.Length == 1)

            {

                Console.WriteLine("Null");

            }

            else

            {

                foreach(int i in ans)

                {

                    Console.Write("{0} ",i);

                }

            }

        }

    }

    static string[] Spleet(string s, char delim)

    {

        int arr_size = 1;

        string[] sp;

        if(delim == '\0')

        {   

            sp = new string[s.Length];

            for(int i = 0; i < s.Length; i++)

            {

                sp[i] = Convert.ToString(s[i]);

            }

            return sp;

        }

        for(int i = 0; i < s.Length; i++)

        {

            if(s[i] == delim)

            {

                arr_size++;

            }

        }

        sp = new string[arr_size];

        arr_size = 0;

        for(int i = 0; i < s.Length; i++)

        {

            if(s[i] != delim)

            {

                sp[arr_size] += s[i];

            }

            else

            {

                arr_size++;

            }

​

        }

        return sp;

    }

    public static int[] BubbleSort(int[] list)

    {

        int temp;

        for(int i = 0; i < list.Length; i++)

        {

            for(int j = 0; j < list.Length - 1; j++)

            {

                if(list[j] > list[j+1])

                {

                    temp = list[j];

                    list[j] = list[j+1];

                    list[j+1] = temp;

                }

            }

        }

        return list;

    }

    public static int[] GetTriplets(int[] data, int sum)

    {

        int[] ans = new int[1];

        int tsum = sum;

        data = BubbleSort(data);

        for(int i = 0; i < data.Length; i++)

        {

            tsum = tsum - data[i];

            for(int j = i + 1; j < data.Length; j++)

            {

                if(data[j] == tsum)

                {

                    ans = new int[2];

                    ans[1] = data[j];

                    ans[0] = data[i];

                    break;

                }

            }

            tsum = sum;

        }

        return ans;

    }

}