// For the nth time, a minimal decimal output routine in C.
#include <stdio.h>
#include <stdlib.h>

static char *basebout(char *p, int n, int b)
{
  int quo = n / b, rem = n % b;
  if (quo) p = basebout(p, quo, b);
  *p++ = '0' + rem;
  return p;
}

int main(int argc, char **argv)
{
  char buf[32];
  *basebout(buf, atoi(argv[1]), argc < 3 ? 10 : atoi(argv[2])) = 0;
  printf("%s!\n", buf);
  return 0;
}