using System;
using System.Linq;

namespace Common_Elements
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] numbers = Console.ReadLine()
                .Split(" ")
                .Select(int.Parse)
                .ToArray();

            int sum = int.Parse(Console.ReadLine());
            int sumOfNumbers = 0;

            for (int i = 0; i < numbers.Length; i++)
            {
                int firstNumber = numbers[i];
                for (int j = i + 1; j < numbers.Length; j++)
                {
                    int nextNumbers = numbers[j];

                    sumOfNumbers = firstNumber + nextNumbers;

                    if (sumOfNumbers == sum)
                    {
                        Console.WriteLine($"{firstNumber} {nextNumbers}");
                    }
                }
            }
        }
    }
}