using System;

public class Program

{

    public static void Main()

    {

        int num,x,mone=0;

        Console.WriteLine("please enter arry size:");

        num= int.Parse(Console.ReadLine());

        int[] arr = new int[num];

        for(x=0;x< arr.Length;x++)

        {

        Console.WriteLine("please enter next number:");

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

        }

            for(x=0;x< arr.Length-1 ;x++)

            {

            if(arr[x+1]<arr[x])

            break;

            }

        if(x==arr.Length-1)

        Console.WriteLine("the arry is sorted:");   

        else

        Console.WriteLine("the arry is not sorted:");

    }

}