C# Program to Count the Number of 1's Present in the Array

using System;

namespace Tutorialsrack
{
    class Program
    {
        /* C# Program to Count the Number of 1's Present in the Array */
        static void Main(string[] args)
        {
            int size, count = 0;
            Console.Write("Enter the size of the array: ");
            size = int.Parse(Console.ReadLine());
            int[] a = new int[size];
            
            Console.Write("Enter the Numbers:\n");
            for (int i = 0; i < size; i++)
            {
                a[i] = Convert.ToInt32(Console.ReadLine());
            }
            foreach (int o in a)
            {
                if (o == 1)
                {
                    count++;
                }
            }
            Console.Write("\nNumber of 1's Present in the Array: {0}", count);

            Console.ReadKey();
        }
    }
}

Enter the size of the array: 5
Enter the Numbers:
1
1
2
5
6

Number of 1's Present in the Array: 2