编写要求：
“牛熊背离”源码：
N1:=5;
N2:=10;
N3:=21;
N4:=60;
牛熊:EMA(CLOSE,N4),COLORGREEN,LINETHICK3;
DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:=EMA(DIFF,8);
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
B1:=REF(C,A1+1)>C AND REF(DIFF,A1+1)0,1,0),L-0.1,'MACD底背'),COLORGREEN;
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
A2:=BARSLAST(REF(CROSS(K,D),1));
B2:=REF(C,A2+1)>C AND REF(K,A2+1)0,1,0),L-0.25,'KDJ底背'),COLORYELLOW;
LC:=REF(CLOSE,1);
RSI1:=SMA(MAX(CLOSE-LC,0),6,1)/SMA(ABS(CLOSE-LC),6,1)*100;
RSI2:=SMA(MAX(CLOSE-LC,0),12,1)/SMA(ABS(CLOSE-LC),12,1)*100;
A3:=BARSLAST(REF(CROSS(RSI1,RSI2),1));
B3:=REF(C,A3+1)>C AND REF(RSI1,A3+1)0,1,0),L-0.4,'RSI底背'),COLORBLUE;
C1:=BARSLAST(REF(CROSS(DEA,DIFF),1));
D1:=REF(C,C1+1)DIFF AND CROSS(DEA,DIFF);
DRAWTEXT(IF(D1>0,1,0),H+0.1,'MACD顶背'),COLORWHITE;
C2:=BARSLAST(REF(CROSS(D,K),1));
D2:=REF(C,C2+1)K AND CROSS(D,K);
DRAWTEXT(IF(D2>0,1,0),H+0.25,'KDJ顶背'),COLORWHITE;
C3:=BARSLAST(REF(CROSS(RSI2,RSI1),1));
D3:=REF(C,C3+1)RSI1 AND CROSS(RSI2,RSI1);
DRAWTEXT(IF(D3>0,1,0),H+0.4,'RSI顶背'),COLORYELLOW;
SG:EMA(HHV(H,1),8),COLORGRAY;
X1:EMA(CLOSE,N1),COLORYELLOW;
JJ:=(H+L+3*C)/5;
请老师帮忙做两个选股指标：第一种是选出黄线上穿绿线（牛熊线）的股票。第二种是选出黄线位于牛熊线之上的股票。
解答：
?{黄线上穿绿线}
CROSS(EMA(C,5),EMA(C,60));
