// Design your own Array Class


import java.io.*;

class arrays2
 { int[] ar = new int[5];
   int ct = 0;

   private void doublesize()
    {int b[] = new int[ar.length * 2];
     for (int x=0; x < ar.length; x++)
      b[x] = ar[x];
      ar = b;
     }


    public void enter(int n)
     {if (ct == ar.length)
       increase();
	  ar[ct] = n;
      ct++;
      }

    public void print()
     {}

    public void printreverse()
      {}

     public void delete(int n)
      {}

      public int smallest()
       {}

      public int biggest()
       {}
     
      public void sort()
       {}

      public boolean inThere(int n)
        {}

       public int location(int n)
        {}

  }