// Page 080

import java.util.Scanner;
class Prog_6_7
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner(System.in);
			String str;
			int count = 0;
			while (input.hasNext())
			{	str = input.nextLine();
				count = count + 1;	// do statistics
			}

			System.out.println("count£º"+count);
	}
}