Code for MACD and Heiken-Ashi

I need a code where buy signal generates when Heikin-Ashi and MACD both commonly shows buy signal, and vice Versa with SL.

HeLlO TrAdEr,

SCRIPT:

HC = ((OPEN+HIGH+LOW+CLOSE)/4) AND 
HC > REF(HC,1) AND 
MACD(13, 26, 9, EXPONENTIAL) > MACDSIGNAL(13, 26, 9, EXPONENTIAL))