主题：请帮忙写一下可以吗

a1:STKINDIEX('','ppp.a',0,1,0,todaybar);
a3:STKINDIEX('','ppp.a',0,17,0,todaybar);
a5:STKINDIEX('','ppp.a',0,2,0,todaybar);
b1:STKINDIEX('','ppp.b',0,1,0,todaybar);
b3:STKINDIEX('','ppp.b',0,17,0,todaybar);
b5:STKINDIEX('','ppp.b',0,2,0,todaybar);
A1D:=A1>B1;
A3D:=A3>B3;
A5D:=A5>B5;
if holding>0 and A1>A3 and A1D and A3D then begin
sell(holding>0,holding,market);
buyshort(holding=0,1,market);
end
 
if A1D and A3D and A5D and holding<0 then begin
sellshort(holding<0,holding,market);
buy(holding=0,1,market);
end

A1X:=A1<B1;
A3X:=A3<B3;
A5X:=A5<B5;
if holding<0 and A1<A3 and A1X and A3X then begin
sellshort(holding<0,holding,market);
buy(holding=0,1,market);
end
if A1X and A3X and A5X and holding>0 then begin
sell(holding>0,holding,market);
buyshort(holding=0,1,market);
end