using System;



namespace ConditionalProject
{
    class Program
    {
        static void Main(string[] args)


        {
            decimal change = decimal.Parse(Console.ReadLine());
            change = change * 100;
            int coins = 0;
            while(change > 0)
            {
                if (change >= 200)
                {
                    change -= 200;
                    coins++;
                }
                else if(change >= 100)
                {
                    change -= 100;
                    coins++;
                }
                else if(change >= 50)
                {
                    change -= 50;
                    coins++;
                }
                else if (change >= 20)
                {
                    change -= 20;
                    coins++;
                }
                else if (change >= 10)
                {
                    change -= 10;
                    coins++;
                }
                else if (change >= 5)
                {
                    change -= 5;
                    coins++;
                }
                else if(change >= 2)
                {
                    change -= 2;
                    coins++;
                }
                else if(change >=1)
                {
                    change -= 1;
                    coins++;
                }
            }
            Console.WriteLine(coins);


            }

        }
    }