#include <iostream>

using namespace std;

int main()
{
	int num;
	int sum = 0;

	cin >> num;	           //priming read
	while (num != -1)
	{
		sum += num;        //process
		cin >> num;	   //read next
	}

	cout <<"Sum up all: " << sum  << endl;

	return 0;
}