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#include <stdio.h>
#include <stdlib.h>
typedef struct node {
  int value; // 4 bytes
  struct node *next; // 8 bytes
} node_t;
node_t *new_node(int v);
int main(int argc, char *argv[])
{
  node_t *head = NULL;
  int x;
  scanf("%d", &x);
  head = new_node(x);
  
  printf("%d\n", head->value);
  printf("%x\n", head->next);
  return 0;
}
node_t *new_node(int v)
{
  node_t *n = NULL;
  n = (node_t *)malloc(sizeof(node_t));
  if(n == NULL) {
    fprintf(stderr, "Error: malloc failed.\n");
    return NULL;
  }
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