#include <stdio.h>
#include <stdlib.h>

int main(){
	int alocirano = 10;
	int i;
	int *niz = 
malloc(sizeof(int)*alocirano);
	if(niz==NULL){
		printf("Greska pri alokaciji\n");
		exit(EXIT_FAILURE);
	}
	niz[0]=1;
	i=0;
	while(niz[i]!=0){
		if(i>=alocirano){
			alocirano*=2;
			niz =realloc(niz,alocirano);
			if(niz==NULL){
				printf("Greska u realloc-u\n");
				exit(EXIT_FAILURE);
			}
		}
		scanf("%d",&niz[i]);
		printf("%d\n",niz[i]);
	}
	free(niz);
	return 0;
}