b=1 a=0 c=2 d=2 e=-5 f=5 if :wc and :ws==6 then goto2 else goto1 end
if:wc==0 or :ws!=6 thengoto1else :ra2=a :ra4=a :ra6=a :ra8=a end
a+=(b==1)*c a-=(b==0)*d if a>e then b=0 end if a<f then b=1 end goto2