Third Digit is 7

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

namespace _05ThirdDigitIsSeven
{
    class ThirdDigitIsSeven
    {
        static void Main()
        {
            Console.Write("Enter a number: ");
            string number = Console.ReadLine();
            char digit = number[number.Length - 3];
            Console.WriteLine(digit=='7');
        }
    }
}