C# Exam - Problem Sheets

using System;
class Sheets
{
    static void Main(string[] args)
    {
        string inputInBinary = Convert.ToString(int.Parse(Console.ReadLine()), 2).PadLeft(11, '0');
        for (int i = 0; i < inputInBinary.Length; i++)
        {
            if (inputInBinary[i] == '0')
            {
                Console.WriteLine("A"+i);
            }
        }
    }
}