using System;

class Paiza
{
    static void Main()
    {
        string N = Console.ReadLine();
        double NN = double.Parse(N);

        if(NN > 0)
        {
            double NNN = NN / 100;
            Console.WriteLine(Math.Ceiling(NNN));
        }
        else
        {
            Console.WriteLine(0);
        }
    }
}