using System;

​

public class Program

{

    public static void Main()

    {

        Random random = new Random();

        int[] randomArray = new int[5000000];

        for (int i = 0; i < randomArray.Length; i++)

        {

            randomArray[i] = random.Next(0, 5000000);

        }

​

        Console.WriteLine(marte(randomArray, 700));

    }

​

    static bool marte(int[] arrayNumeros, int intSuma)

    {

        bool res = false;

        int cont = 0;

        for (int i = 0; i < arrayNumeros.Length; i++)

        {

            for (int j = 0; j < arrayNumeros.Length; j++)

            {

                if ((arrayNumeros[i] + arrayNumeros[j]) == intSuma)

                {

                    res = true;

                    cont++;

                }

            }

        }

​

        return res;

    }

}