#include <stdio.h>
#define N 10

int main(void){
   int a[] = {4, 3, 9, -8, 5, -4, 3, 1, 0, 4};
   int sum = 0;
   int i;
   for (i = 0; i < N; i++) {
       if (a[i] == 0) break;
       if (a[i] < 0) continue;
       sum += a[i];
   }
   printf("The sum is %d\n",sum);
   return 0;
}