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

struct node 
{
  int info;
  struct node *next;
};

struct node *create_list(int i);
void print_list(struct node *p);

main()
{
  struct node *p;
  int i;
  scanf("%d", &i);
  p=create_list (i);
  print_list(p);
}

struct node *create_list(int n)
{
  struct node *p=NULL;
  struct node *q;int i;
  for (i=1;i<=n;i++)
    {
      q=(struct node *)
	malloc(sizeof(struct node));
      q->next = p;
      q->info=i;
      p=q;
    }
  return (p);
}
void print_list(struct node *p)
{
  while(p!=NULL)
    {
      printf("%d",p->info);
      p=p->next;
    }
  printf("\n");

}