using System;

public class Program

{

    public static void Main()

    {

        int no,ld,q,md,fd,sum=0;

        Console.WriteLine("enter array size");

        no=int.Parse(Console.ReadLine());

        int[] a=new int[20];

        for(int i=0;i<no;i++)

        {

            Console.WriteLine("elements-{0}",i+1);

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

        }

        for(int i=0;i<no;i++)

        {

            ld=a[i]%10;

            q=a[i]/10;

            md=q%10;

            fd=q/10;

            if(ld==fd && ld!=md)

            {

                Console.WriteLine("woobly is "+a[i]);

                sum=sum+a[i];

            }

        }

        Console.WriteLine("sum of woobly is "+sum);

    }

}