#include <stdlib.h>

#include <unistd.h>
#include <stdio.h>

#include <sys/types.h>

int
main ()
{
  pid_t child_pid;

  printf ("Hello\n");
  child_pid = fork ();
  
  if (child_pid == -1) {
    perror("fork");
    exit(-1);
  }
  printf ("bye\n");

  exit(0);

}