using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace p17
{//2.10.2013
    class Program
    {
        static void citire(out int n, out int[] A, string fis)
        {//citesc n si vectorul A din fisierul precizat
            StreamReader fin = new StreamReader(fis);
            n = int.Parse(fin.ReadLine());
            A=new int[n];
            for(int i=0;i<n;i++)
                A[i] = int.Parse(fin.ReadLine());
            fin.Close();
        }

        static void afisare(int n, int[] A, string fis)
        {//scriu n si vectorul A in fisierul precizat
            StreamWriter fout = new StreamWriter(fis);
            fout.WriteLine(n);
            for (int i = 0; i < n; i++)
                fout.WriteLine(A[i]);
            fout.Close();
        }

        static void inter(ref int a, ref int b)
        {
            int aux = a; a = b; b = aux;
        }

        static void ordonare(int n, int[] A)
        {
            for (int i = 0; i < n; i++)
                for (int j = i + 1; j < n; j++)
                    if (A[i] > A[j]) inter(ref A[i], ref A[j]);
        }

        static void Main(string[] args)
        {
            int n;
            int[] A;
            citire(out n,out A, "date.txt");
            ordonare(n, A);
            afisare(n, A, "date.txt");
        }
    }
}