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

int main (int argc, char**argv) {

  struct List {
    int elem;
    struct List *next;
  };

  struct List *list = NULL;
  struct List *tmp;
  struct List *previous = NULL;
  int n;
  
  while (fscanf (stdin, "%d", &n)> 0) {
    /* allocate memory for next element */
    tmp = malloc(sizeof (struct List));
    if (tmp == NULL ) {
      fprintf (stderr, "%s: Out of memory!\n", argv[0]);
      exit (1);
    }

    if (list == NULL) {
      list = tmp;
    }
    tmp->elem = n;
    tmp->next = NULL;
    if (previous != NULL) {
      previous->next = tmp;
    }
    previous = tmp;
    
  }

  while (list != NULL) {
    printf ("%s: The next element is %d\n", argv[0], list->elem);
    list = list->next;
  }

  return 0;
}