#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;
  }

  // Set the value and next variables of n
  n->value = v;
  n->next = NULL;

  return n;
}