主题：请老师帮助编写两句编程

mm4:stkindi('','boll.mid',0,5,2)，LINETHICK2,COLORYELLOW;

ss4:stkindi('','boll.upper',0,5,2)，LINETHICK1,COLORGREEN;

xx4:stkindi('','boll.lower',0,5,2)，LINETHICK1,COLORGREEN;

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
JC:CROSS(K,D);
SC:CROSS(D,K);

JC15:=STKINDI('','KDJ.JC',0,3);
SC15:=STKINDI('','KDJ.SC',0,3);

JC30:=STKINDI('','KDJ.JC',0,4);
SC30:=STKINDI('','KDJ.SC',0,4);

n:=10;
sc:=cross(k,j);
jc:=cross(j,k);
n1:=barslast(h>ss4)+1;
n2:=barslast(l<xx4)+1;

if n1<=n and sc and c>mm4 then begin
   平多a:sell(holding>0,holding,market);
   开空a:buyshort(holding=0,1,market);
end

if n2<=n and jc and c<mm4  then begin
   平空a:sellshort(holding<0,holding,market);
   开多a:buy(holding=0,1,market);
end

//止损
if l-enterprice>=5 then
多损:sell(holding>0,holding,market);
if enterprice-h>=5 then
空损:sellshort(holding<0,holding,market);