using System;

public class Program

{

    public static void Main()

    {

        double change = double.Parse(Console.ReadLine())*100;

        //с колко най-малко монети може да стане това.

        int coins=0;

        while (change>=200)

        {

        change-=200;

         coins++;

        }

        while (change>=100)

        {

        change-=100;

         coins++;

        }

        while (change>=50)

        {

            change-=50;

        coins++;

        }

        while (change>=20)

        {

            change-=20;

        coins++;

        }

        while (change>=10)

        {

            change-=10;

        coins++;

        }

        while (change>=5)

        {

            change-=5;

        coins++;

        }while (change>=2)

        {

            change-=2;

        coins++;

        }while (change>=1)

        {

            change-=1;

        coins++;

        }

        Console.WriteLine(coins);

    }

}