Binary to decimal

using System;

class BinaryToDecimal
{
    static void Main()
    {
        string binaryInput = Console.ReadLine();
        int result = 0;
        for (int cnt = 0; cnt < binaryInput.Length; cnt++ )
        {
            result = result << 1;
            result += (int.Parse(binaryInput[cnt].ToString()) & 1);
        }
        Console.WriteLine(result);
    }
}