using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input :");

        string input = Console.ReadLine();

        char[] cinput = input.ToCharArray();

        int[] intinput = Array.ConvertAll(cinput, c => (int)Char.GetNumericValue(c));

        long output = Convert.ToInt64(Console.ReadLine());

        int s = 0;

        for (int i = 1; i < intinput.Length; i++)

        {

        }

    }

}