#include <iostream>
#include <stdlib.h>
#include <stdio.h>
using namespace std;

%%{
  machine hello;

  action onStartState    { printf("Entering the start state...\n");}
  action onAllTransition { printf("Transitioning between states...\n");}
  action onEnteringFinal { printf("Entering a final state\n");}
  
  write data noerror;

  main := ( 'hello' | 'bye' ) > onStartState 
                              $ onAllTransition 
                              @ onEnteringFinal;

}%%

int test( char *str )
{ char *p = str;
  int cs, valid = 0;

  %% write init;
  %% write exec noend;

  return valid;
};

#define BUFSIZE 1024
int main()
{ char buf[BUFSIZE];
  fgets( buf, sizeof(buf), stdin );
  test( buf );
  return 0;
}