#include "shared.h"
#include "expt.h"
#include <stdio.h>

extern void frog ();
extern void pond ();

int
main ()
{
  PRINT_INT (shared);
  EXPERIMENT (frog ());
  PRINT_INT (shared);
  EXPERIMENT (frog ());
  PRINT_INT (shared);
  EXPERIMENT (pond ());
  PRINT_INT (shared);
  EXPERIMENT (shared = 3);
  PRINT_INT (shared);

  return 0;
} // main ()