#include <stdio.h>

#define LEN 10

int main() {
	int i, n = 0, sum;
	int summanden[LEN];

	for (;;) {
		fprintf(stderr, "Zahl nr. %d: ", n);
		if (scanf(" %d", &i) < 1) {
			break;
		}

		summanden[n] = i;
		n++;
	}

	sum = 0;
	for (i = 0; i < n; i++) {
		sum += summanden[i];
	}

	fprintf(stderr, "Summe: %d\n", sum);

	return 0;
}