#include<stdio.h>
#include<stdlib.h>
struct node {
 int date;
 struct node *next;
};
int main (void){
 struct node *p,*pl, *head;
 head=p=(struct node *)malloc(sizeof(struct node));
 scanf("%d",&p->date);/*頭節(jié)點數(shù)據(jù)成員*/
 while(p->date!=-1){
  pl=p;
  p=(struct node *)malloc(sizeof(struct node));
  scanf("%d",&p->date);/*中間節(jié)點成員*/
  pl->next=p;
 }
 p->next=NULL;
 p=head;/*鏈表顯示*/
 while(p->next!=NULL){
  printf("%d  ",p->date);
  p=p->next;
 }
 //printf("%d  ",p->date);/*顯示終止字符-1*/
}