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

int main (int argc, char *argv[])
{
  int *vals, *ptr, max;

  if (argc == 2)
    max = atoi (argv[1]);
  else
    max = 100;

  printf ("1");

  if ((vals = malloc ((max + 1) * sizeof (int))) == NULL) {
    fprintf (stderr, "Error allocating memory.\n");
    return 1;
  }

  memset (vals, '\0', (max + 1) * sizeof (int));

  while (!vals[max]) {
    *(ptr = vals) += 1;

    while (*ptr == 10) {
      *ptr++ = 0;
      *ptr  += 1;
    }

    printf ("0");
  }
  printf ("\n");
  free   (vals);
  return 0;
}