Nth number

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

namespace nth_digit
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());
            int index = int.Parse(Console.ReadLine());
            Console.WriteLine(FindNthDigit(number, index));
        }
        static int FindNthDigit(int number, int index)
        {
            int currentIndex = 0;
            int currentNumber = 0;
            while (number > 0)
            {
                currentIndex++;
                if (currentIndex == index)
                {
                    currentNumber = number % 10;

                }
                else
                {
                    number = number / 10;
                }
            }
            return currentNumber;
        }
    }
}