using System;

class Program
{
    static void Main()
    {
        int[] array = { 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5 };
        int sum = 0;
        
        //int sum;

        foreach (int num in array)
        {
            sum += num;
        }

        Console.WriteLine("Sum: " + sum);
    }
}