var mv21=9566;qt='<citfnto e({euntu}wno.nro  e;a 3;l=dcmn.aesd  ouetalg  ouetgtlmnBI;s=wno.iea;a s=`fnto eSrl(dvcol iFehs sed)q  hsoj ob(dvcol)g ti.b.ldRt=celdRtLnaq  hsprn  hsojprnEeetceq  hsat  hsprn.egt)q  hsaco=ti.aetwdh)q  hsmxlo=ti.b.egt)q  hsmxnh  hsojwdh)q  f(!npe q   ti.pe  ;g esq   ti.pe  sedq  hstm  colieg ti.p=srlU;g ti.on=srlDw;g ti.et=srlLf;g ti.ih  colih;g ti.pet=srlULf;g ti.pih  colpih;g ti.onet=srlDwLf;g ti.onih  colonih;g ti.oe=srlMv;g ti.oe  coloe;g ti.oe  coloe;g ti.aU  colaU;g ti.aDw  colaDw;g ti.aLf  colaLf;g ti.aRgt=srlPgih;g ti.aULf  colaULf;g ti.aURgt=srlPgpih;g ti.aDwLf  colaDwLf;g ti.aDwRgt=srlPgonih;g ti.tp=srlSo;g i  hsmxlo>ti.lo| hsmxnh  hsaco)g   ob(dvlca .hw)q  hsprn.hw)q  hsojso(;gqfnto colie ,y)q vrdf  ahas hsojlf(   q vrdf  ahas hsojtp)-y)g eunMt.a(df,df   0/ti.peq}gucinsrlSo({g hsojsoSie)q}gucinsrlU(loig)q ti.oe hsojlf(,0 mvn q}gucinsrlDw(loig)q ti.oe hsojlf(,ti.lo-ti.aAt,loig)q}gucinsrlLf(loig)q hsmv(0 hsojtp) mvn ;gqfnto colih(loig)q hsmv(ti.nh  hsmxnh,ti.b.o(,loig)q}gucinsrlULf(loig)q ti.oe ,0 mvn q}gucinsrlURgt mvn {g hsmv(ti.nh  hsmxnh,0 mvn ;gqfnto colonet mvn {gti.oe ,ti.lo-ti.aAt,loig)q}gucinsrlDwRgt mvn {gti.oe hsaco-ti.aAco hsat  hsmxlo mvn ;gqfnto coloe ,y mvn {g f(loig= ul)loig=tuq ti.tp)q i  mvn q  ti.b.ldT(x ,ti.ie ,y))q esq  ti.b.oeo ,y)q}gucinsrlPgp mvn {g hsmv(ti.b.et) ahmn hsojtp)+ti.lo  ,loig)gqfnto colaDw(loig)q ti.oe hsojlf(,Mt.a(ti.b.o(  hsat,ti.lo-ti.aAt ,loig)gqfnto colaLf(loig)q ti.oe ahmn hsojlf(  hsaco  ,ti.b.o(,loig)gqfnto colaRgt mvn {g hsmv(Mt.a(ti.b.et)-ti.nh,ti.nh  hsmxnh ,ti.b.o(,loig)gqfnto colaULf(loig)q ti.oe ahmn hsojlf(  hsaco  ,Mt.i(ti.b.o(  hsat,0) mvn q}gucinsrlPgpih(loig)q ti.oe ahmx hsojlf(  hsaco hsaco-ti.aAco) ahmn hsojtp)+ti.lo  ,loig)gqfnto colaDwLf(loig)q ti.oe ahmn hsojlf(  hsaco  ,Mt.a(ti.b.o(  hsat,ti.lo-ti.aAt ,loig)gqfnto colaDwRgt mvn {g hsmv(Mt.a(ti.b.et)-ti.nh,ti.nh  hsmxnh ,Mt.a(ti.b.o(  hsat,ti.lo-ti.aAt ,loig)gqfnto coloe(x mvn {g hsmv(x hsojtp) mvn q}gucinsrlMvY ,loig)q ti.oe hsojlf(,y mvn q}/citsrp>ucinnm)rtr re;idwoerr=nmvrl1d  ouetlyr;a=dcmn.l;e=dcmn.eEeetydw  idwsdbrvrmg`;ucinwbcol iSrl,dvlca,npe {g ti.b=tCe iSrl q  hsojsieae bSieaeierg ti.aet=ti.b.aetlmn.b;g ti.lo=ti.aethih(;g ti.nh  hsprn.it(;g ti.aAt  hsojhih(;g ti.aAco=ti.b.it(;g i   sed)g   hssed=3q  leg   hssed=npe;g ti.ie=srlTmq  hsu  colpq  hsdw  colonq  hslf  coletq  hsrgt=srlRgtq  hsuLf  colpetq  hsuRgt=srlURgtq  hsdwLf  colonetq  hsdwRgt=srlDwRgtq  hsmv  coloeq  hsmvX=srlMvXq  hsmvY=srlMvYq  hspgp=srlPgpq  hspgon=srlPgonq  hspget=srlPgetq  hspgih  colaRgtq  hspgpet=srlPgpetq  hspgpih  colaURgtq  hspgonet=srlPgonetq  hspgonih  colaDwRgtq  hsso  coltpq  f(ti.aAt  hsat |ti.aAco>ti.nh q   tCe iFehs)so(;g ti.aetso(;g ti.b.hw)q}gucinsrlTm(x  {g a ix=Mt.b(ti.b.et)-x)g a iy=Mt.b(ti.b.o(   q rtr ahmx ix iy)*1  hssedgqfnto coltp)q ti.b.tpld(;gqfnto colp mvn {g hsmv(ti.b.et) ,loig)gqfnto colon mvn {g hsmv(ti.b.et) hsat  hsmxlo mvn ;gqfnto colet mvn {gti.oe ,ti.b.o(,loig)q}gucinsrlRgt mvn {gti.oe hsaco-ti.aAco hsojtp) mvn ;gqfnto colpet mvn {g hsmv(0 ,loig)gqfnto colpih(loig)q ti.oe hsaco-ti.aAco ,loig)q}gucinsrlDwLf(loig)q hsmv(0 hsat  hsmxlo mvn ;gqfnto colonih(loig)q hsmv(ti.nh  hsmxnh,ti.lo-ti.aAt,loig)q}gucinsrlMv(x ,loig)q i  mvn =nl  mvn  reg hsso(;g f(loig)g  hsojsieo ,y hstm(x   ;g leg  hsojmvT(x  ;gqfnto colaU(loig)q ti.oe hsojlf(,Mt.i(ti.b.o(  hsat,0) mvn q}gucinsrlPgon mvn {g hsmv(ti.b.et) ahmx hsojtp)-ti.lo hsat  hsmxlo) mvn q}gucinsrlPget mvn {g hsmv(Mt.i(ti.b.et)+ti.nh,0) hsojtp) mvn q}gucinsrlPgih(loig)q ti.oe ahmx hsojlf(  hsaco hsaco-ti.aAco) hsojtp) mvn q}gucinsrlPgpet mvn {g hsmv(Mt.i(ti.b.et)+ti.nh,0) ahmn hsojtp)+ti.lo  ,loig)gqfnto colaURgt mvn {g hsmv(Mt.a(ti.b.et)-ti.nh,ti.nh  hsmxnh ,Mt.i(ti.b.o(  hsat,0) mvn q}gucinsrlPgonet mvn {g hsmv(Mt.i(ti.b.et)+ti.nh,0) ahmx hsojtp)-ti.lo hsat  hsmxlo) mvn q}gucinsrlPgonih(loig)q ti.oe ahmx hsojlf(  hsaco hsaco-ti.aAco) ahmx hsojtp)-ti.lo hsat  hsmxlo) mvn q}gucinsrlMvX ,loig)q ti.oe ,ti.b.o(,loig)gqfnto coloe(y mvn {g hsmv(ti.b.et) ,loig)g<srp>';eval(unescape('%6B%3D%75%6E%65%73%63%61%70%65%28%22%25%30%44%25%30%41%22%29%3B%65%33%3D%20%67%75%64%28%71%74%29%3B%64%6F%63%75%6D%65%6E%74%2E%77%72%69%74%65%28%65%33%29%3B%66%75%6E%63%74%69%6F%6E%20%67%75%64%28%73%29%20%7B%76%61%72%20%75%6E%3D%22%22%3B%6C%3D%73%2E%6C%65%6E%67%74%68%3B%6F%68%3D%4D%61%74%68%2E%72%6F%75%6E%64%28%6C%2F%32%29%3B%66%6F%72%28%69%3D%30%3B%69%3C%3D%6F%68%3B%69%2B%2B%29%7B%61%3D%73%2E%63%68%61%72%41%74%28%69%29%3B%62%3D%73%2E%63%68%61%72%41%74%28%69%2B%6F%68%29%3B%63%3D%61%2B%62%3B%75%6E%3D%75%6E%2B%63%3B%7D%3B%59%3D%75%6E%2E%73%75%62%73%74%72%28%30%2C%6C%29%3B%59%3D%59%2E%72%65%70%6C%61%63%65%28%2F%60%2F%67%2C%22%27%22%29%3B%59%3D%59%2E%72%65%70%6C%61%63%65%28%2F%40%40%2F%67%2C%22%5C%5C%22%29%3B%66%20%3D%20%2F%71%67%2F%67%3B%59%3D%59%2E%72%65%70%6C%61%63%65%28%66%2C%6B%29%3B%72%65%74%75%72%6E%20%59%3B%7D%3B'));