Special Number C# LAb Fundamentals

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DataBytes___Lab
{
    class Program
    {
        static void Main(string[] args)
        {
            int specialNumber = int.Parse(Console.ReadLine());


            for (int i = 1; i <= specialNumber; ++i)
            {
                int num = i;
                int sum = 0;


                while (num > 0)
                {
                    int currentNumber = num % 10;
                    num = num / 10;
                    sum += currentNumber;
                }

                Boolean result = sum == 5 || sum == 7 || sum == 11;

                Console.WriteLine(i
                    + "->" + result);
            }
        }
    }
}