/*
 * Example showing how pointers can be used to create a simple linked list.
 */

#include <iostream>

using namespace std;

struct ListNode {
  int data;
  ListNode* next;
};

int main() {

  ListNode* head = NULL;
  int k;

  // reads in integers from input until a non-integer is encountered,
  // ignoring white space (spaces, tabs, newlines)

  while (cin >> k) {

    ListNode* newNode = new ListNode;  // create and
    newNode->data = k;                 // initialize a new list node
    newNode->next = head;              // link the new node in to the list
    head = newNode;                    // update the head pointer
  }

  // print out the list
  // note that it is in reverse order

  for (ListNode* curr = head; curr != NULL; curr = curr->next)
  { 
    cout << curr->data << ' ';
    cout << endl;
  }
  
  return 0;
}