// Page 120 - 121

import java.util.Scanner;
class Prog_9_2
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		final int MAX = 100;
		double[] vals = new double[MAX];
		int size = 0; 		// # of data in the file
		while (input.hasNext())
		{
			vals[size] = input.nextDouble();
			size ++;
		}
		System.out.println("Size = " + size);
	}
}