SpecialNumbers

using System;

namespace _05SpecialNumbers
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());

            int sum = 0;
            for (int num = 1; num <= number; num++)
            {
                string n = Convert.ToString(num);
                foreach (char item in n)
                {
                    if (Char.IsDigit(item) == true)
                    {
                        int position = (int)Char.GetNumericValue(item);
                        position += sum;
                        sum = position;
                    }
                }
                if (sum == 5 || sum == 7 || sum == 11)
                {
                    Console.WriteLine($"{num} -> True");
                }
                else
                {
                    Console.WriteLine($"{num} -> False");
                }
                sum = 0;
            }
        }
    }
}