#include "library.h"

int digits_in(const int N)
{ if (N < 10)
    return 1;
  return 1 + digits_in(N / 10); }

int ten_to_the_power_of(const int P)
{ if (P < 0)
    return 0;
  if (P == 0)
    return 1;
  return 10 * ten_to_the_power_of(P - 1); }

void print_all_digits(const int N, const int P)
{ if (P > 0)
  { const int digit = N/P;
    print(" ");
    print(digit);
    const int remainder = N - P*digit;
    print_all_digits(remainder, P/10); } }

void print_digits_forwards(const int N)
{ const int ND = digits_in(N);
  const int P = ten_to_the_power_of(ND - 1);
  const int digit = N/P;
  print(digit);
  const int remainder = N - P*digit;
  print_all_digits(remainder, P/10); }

void test()
{ const int x = read_int();
  print_digits_forwards(x);
  new_line();
  test(); }

void main()
{ test(); }