using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter a length for array 1");

        bool check = int.TryParse(Console.ReadLine(), out int y);

        int [] array = new int [y];

        for (int i = 0; i<y; i++)

        {

            Console.WriteLine($"Enter value {i}: ");

            array[i] = Convert.ToInt32(Console.ReadLine());

        }

        int [] duplicate = {0,0,0,0,0};

        int count = 0;

        int x = 0;

        for (int i = 0; i<y; i++)

        {

            for (int j = i+1; j<y; j++)

            {

                Console.WriteLine(array[i] + " " + array[j]);

                if (array[i] == array [j])

                {

                    duplicate[x] = array[i];

                    count++; x++;

                }

            }

        }

        Console.WriteLine($"Total amount of duplicates is {count}\n element {duplicate} occured {count + 1} times");

        for (int i = 1; i<x; i++) 

        {

            Console.WriteLine($"element " + duplicate[i] + " occured {count} times");

        }

    }

}