#include <stdio.h>
#include <stdlib.h>
int main()
{
      struct Student
      {
       int a;
       struct Student *next;
      }s,*p=NULL,*q=NULL,*head=NULL;
      head=p=&s;
      q=p->next;
     scanf("%d",&p->a);
      while(p->a!=0)
      {q=malloc(sizeof(struct Student));
       p=q;
       q=p->next;
       scanf("%d",&p->a);
      }
       q=NULL;
       p=head;
      while(p->a)
      {
       printf("%d",p->a);
       p=p->next;
  }

}