50
aa (boom/(maya))
ba aa
ca (xx)
da (wu)+(ca)
ea (boom)
ab ea
bb ((maya)+(xx)-(ca)+ea)
cb (boom)/((xx))*(boom)
db (((wu)*ab)+((da)-(da))+maya)
eb wu
ac ((((xx)/eb)-qiao+db+(eb/(xx))-(aa)-qiao)+(maya)-ca)
bc (da)*(wu)/((wu)*(boom))*(wu)-((eb))*(qiao)*ab-wu-qiao
cc (xx)
dc (ab*xx*(ac))
ec (db)
ad qiao
bd (wu)-((qiao)-(bc))+cb-qiao-(xx)-((wu))+(ad)+(eb)
cd ((wu)+(cb))
dd (wu)/maya
ed (maya)/(dd)*maya-((dd)+((ea))+(maya)-wu)
ae (((xx))*((ad))/db*qiao)
be (cd-boom/eb-(ca)-bd+(bc))
ce (wu)
de (eb)
ee ae
af ((cc*(cc))/qiao)
bf (((de-(wu))*qiao*(cd)/(xx))-((wu)*ee))
cf orz
df (((ed))+dc+(orz)+(xx))
ef (qiao)*(ed)
ag (ed)
bg (orz)
cg (ea+maya-bb)+(wu-(ba)+qiao)-(bc)-(wu)
dg ((xx))*bg/ec*bb/(boom)
eg ((bd/(de)/(boom)))
ah boom
bh (((orz/(da)+(ec))*(af)/(aa)*dd)/wu)
ch (xx)
dh ((boom)*boom/ea)
eh (qiao)
ai (ah+(((bc))+maya))
bi df*eb*bc/(dc)
ci (ch)
di be
ei cg/bh
aj ((be))
bj ((xx)*bb)*maya/dc
cj (ce)
dj maya
ej ((cg)/(ae)*(dg*cb))
ej
OK