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

namespace multime
{
    class vector
    {
        protected int n;
        protected int[] a;
        public vector()
        {
            n = 0;
        }
        public vector(int m, int[] b)
        {
            n = m;
            a = new int[n];
            for (int i = 0; i < n; i++)
                a[i] = b[i];
        }
        virtual public void citire()
        {
            Console.Write("n=");
            n = Int32.Parse(Console.ReadLine());
            a = new int[n];
            for (int i = 0; i < n; i++)
            {
                Console.Write("a[" + i + "]=");
                a[i] = Int32.Parse(Console.ReadLine());
            }
        }
        virtual public void afis()
        {
            Console.WriteLine("n=" + n);
            for (int i = 0; i < n; i++)
                Console.Write(a[i] + " ");
        }
    }

    class multime : vector
    {
        private void transforma()
        {
            int i, aux;
            bool gata;
            do
            {
                gata = true;
                for (i = 0; i < n - 1; i++)
                    if (a[i] > a[i + 1])
                    {
                        aux = a[i];
                        a[i] = a[i + 1];
                        a[i + 1] = aux;
                        gata = false;
                    }
            }
            while (!gata);
            int j;
            for(i=0;i<n-1;i++)
                if (a[i] == a[i + 1])
                {
                    for (j = i + 1; j < n - 1; j++)
                        a[j] = a[j + 1];
                    n--;
                    i--;
                }
        }
        public multime()
            : base()
        {
        }
        public multime(int m, int[] b)
            : base(m, b)
        {
            transforma();
        }
        override public void citire()
        {
            base.citire();
            transforma();
        }
        
    }

    class Program
    {
        static void Main(string[] args)
        {
            vector v = new multime();
            v.citire();
            v.afis();
            Console.ReadKey();
        }
    }
}