把“丁丁四线”选股公式改为主图指标

编写要求：

丁丁1:=EMA(C,3),COLORWHITE;丁丁2:=EMA(C,5),COLORYELLOW;丁丁3:=EMA(C,7),COLORBROWN;丁丁4:=EMA(C,12),COLORLIGREEN;丁丁5:=EMA(C,20),COLORRED;SS:=CROSS(丁丁1,丁丁2) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁1,丁丁4) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁2,丁丁3) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁1,丁丁3) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018 AND CROSS(丁丁1,丁丁4);DRAWICON(SS,L-0.04,5);DD:=CROSS(丁丁2,丁丁3) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁2,丁丁5) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁3,丁丁4) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018OR CROSS(丁丁2,丁丁4) AND C>O AND C>REF(C,1) AND C/REF(C,1)>=1.018 AND CROSS(丁丁1,丁丁5);请老师把选股公式改为主图指标，另加入一条50日均线.

解答：

{OK.已完成}