01. Convert Meters to Kilometers

using System;

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

            Console.WriteLine($"{(decimal)meters/1000:F2}");
    // или: Console.WriteLine($"{meters * 0.001:F2}");
        }
    }
}