#include <ctype.h>
#include <stdio.h>

char *caps (char *s);

int
main (int argc, char **argv)
{
  if (argc != 1)
    printf ("%s\n", caps (argv[1]));
  return 0;
}

char *
caps (char *s)
{
  char *sp = s;

  *(sp) = toupper (*sp);

  for (++sp; *sp; sp++)
    if (!isgraph (*(sp - 1)) || !isgraph (*(sp + 1)))
      *sp = toupper (*sp);

  return s;
}