NumbersTo1000 == 7

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

namespace NumbersTo1000
{
    class NumbersTo1000
    {
        static void Main(string[] args)
        {
            int a = 1000;
            for (int i = 0; i <= a; i++)
            {
               if(i % 10 == 7)
                {
                    Console.Write(i + ", ");
                }
            }
        }
    }
}