using System;

public class Program

{

    public static void PartSort(int[] arr, int start, int last)

    {

        bool sorted = true;

        int temp;

        while (sorted == true)

        {

            sorted = false;

            for (int i = start; i < last && !sorted; i++)

            {

                for (int j = start; j < last; j++)

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

                    {

                        temp = arr[j];

                        arr[j] = arr[j+1];

                        arr[j+1] = temp;

                        sorted = true;

                    }

            }

        }   

    }

    public static void SortingInParts(int[] arr, int N)

    {

        int first = 0;

        int last = first + N - 1;

        for (int i = 1; i <= arr.Length/N; i++)

        {

            PartSort(arr, first, last);

            first = last + 1;

            last = first + N - 1;

        }

    }

    public static void Main()

    {

        int[] arr = new int[6];

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

            arr[i] = int.Parse(Console.ReadLine());

        SortingInParts(arr, 3);

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

            Console.WriteLine(arr[i]);

    }

}