Arrays-SequenceOfGivenSum

using System;

class SequenceOfGivenSum
{
    static void Main()
    {
        /*10.Write a program that finds in given array of integers a sequence of given sum S (if present).
        Example:{4, 3, 1, 4, 2, 5, 8}, S=11  {4, 2, 5}*/

        Console.Write("Array size: ");
        int arraySize = int.Parse(Console.ReadLine());
        int[] arr = new int[arraySize];

        int number;

        for (int index = 0; index < arraySize; index++)
        {
            Console.Write("Position {0} : ", index + 1);
            number = int.Parse(Console.ReadLine());
            arr[index] = number;
        }

        Console.Write("The sum your looking for: ");
        int sum = int.Parse(Console.ReadLine());

        int startPosition = 0, endPosition = 0, curentSum = 0;

        for (int i = 0; i < arr.Length-1; i++)
        {
            curentSum = arr[i];

            for (int k = i+1; k < arr.Length-1; k++)
            {
                curentSum += arr[k];

                if (curentSum == sum)
                {
                    startPosition = i;
                    endPosition = k;
                }
                if (curentSum > sum)
                {
                    curentSum = 0;
                    break;
                }
            }
        }
        for (int i = 3; i <= 5; i++)
        {
            Console.Write(arr[i] + " ");
        }
    }
}