using System;

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

			double inputValue;
			int counter, resultValue, i, a, n;
			bool isLoopExit;


			inputValue = double.Parse(Console.ReadLine());
			counter = i = a = n = 0;
			isLoopExit = false;
			inputValue *= 100;
			resultValue = (int) inputValue;

			for (i = 1; i  <= 8; i++)
			{
				switch (i)
				{
					case 1:
						a = 200;
						break;
					case 2:
						a = 100;
						break;
					case 3:
						a = 50;
						break;
					case 4:
						a = 20;
						break;
					case 5:
						a = 10;
						break;
					case 6:
						a = 5;
						break;
					case 7:
						a = 2;
						break;
					case 8:
						a = 1;
						break;
				}

				n = resultValue / a;
				resultValue -= n * a;
				counter += n;
			}


			Console.WriteLine(counter);
		}
	}
}