#define STATUS FAIL!
#define UNITS 1
#define YES
#if defined(YES)
#if (UNITS==1)
	the value of units is UNITS
	I will skip over my endif
#elif (UNITS==2)
	the value of units is UNITS
	I will skip over my endif
#else
	the value of units is UNITS
	I will go to the next endif
#endif
 We should get here
   #define STATUS SUCCESS!

#endif

STATUS
