// Page 078 - 079

import java.util.Scanner;
class Prog_6_5m
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner(System.in);
			int count;
			int data;
			int sum = 0;
			data = input.nextInt();	// priming read
			for (count=0 ; data!=-1; count ++)		// stop condition
			{	sum = sum + data;	// process
				data = input.nextInt();	// reading the next
			}
			System.out.println("size = " + count);
			System.out.println("sum = " + sum);
	}
}