請各位高手幫忙，將通達信公式WAD，WAD上穿MAWAD寫成條件選股公式；

MIDA:=CLOSE-MIN(REF(CLOSE,1),LOW);

MIDB:=IF(CLOSE<REF(CLOSE,1),CLOSE-MAX(REF(CLOSE,1),HIGH),0);

WAD:=SUM(IF(CLOSE>REF(CLOSE,1),MIDA,MIDB),0);

MAWAD:=MA(WAD,18);

ZM:CROSS(WAD,MAWAD);