// (c) KreatoR '97
// travelling through the time, moving slowly in the sand
// knowledge is the weapon against the hunger in the land
#include <stdio.h>
#define digit(n) (n>='0' && n<='9')

long niz_u_broj(char *niz)
{
	int duz=1;
	long sum=0;
	while (*niz)
	{
		if (!digit(*niz) || duz>9) {puts("Greska!\n"); exit(1);}
		sum=sum*10+*niz-'0';
		niz++;
		duz++;
	}
	return sum;
}

void main()
{
	long tmp=1;
	double sum=0;
	char niz[80+1];

	while (tmp)
	{
		printf("\nUnesi niz: ");
		scanf("%s",niz);
		sum+=(tmp=niz_u_broj(niz));
		printf("Broj je %ld",tmp);
	}
	printf("\nUkupna suma je %lg",sum);
}