/*
 * Program to compute sum of integers from stdin (as a simple example of
 * using a while loop).
 */
#include <stdio.h>

int main(void) {
	printf("enter integers, anything else to stop\n");
	int input;
	int sum = 0;

	while (scanf("%d", &input) == 1) {
		sum += input;
	}
	printf("sum %d\n", sum);
	return 0;
}