read (x0);
read (x1);
read (x2);
read (x3);
y := ((((238>=x2&&980*x1)>(x1*x2<(471==965))&&((187>x2)>=x3-131)>((x3!!841)<(x3<993)))<((((x3<=x0)>=239-53)>(110>952!!41-x0))==((x1-x1&&987+879)==(154>=478!!916&&x0))))==((((x3>=x3)<(985>732))<(227+127>(316==951)))==((280>=x3!!(x1!!x1))<=(218==x2!!748!=x2))!!((x0-712<=x2*x1)>((902<x3)==290-x3))==(((647&&x2)>(654!=x3))>(x0<922)+(291==824)))&&((((941==668&&x0-x2)<(x2<=x2&&x3>=x1)!!((740<=x2)<517*809)!=(543!!365)*(174*x0))&&((469<=x0)*(x0<=337)>=((322<800)>891-598)&&((358>=959)>(x2>=346))>=(580<x3)+x3*x1))&&(((707!=x1)+(x2+x1)!=(882!=x2)+x1*x0)!=(78&&673!!x1*x2)+((x1<=x2)>793-108)&&(x2*955>(34!=x0))+((647>=x1)>=(x2<=x2))<((85!!x3)<(x0==x1))-((x2>=x2)-(961>517)))))-((((((x1<285)==(563<=218))*(704>=272&&x3+x1)!!((x3>=781)<(518==x3))*((337&&x1)>=(x3<x0)))==(((x3!!x1)!!168<953)>((715<292)==(x3&&x2))&&(325+612<(x1!!627))*((170>837)>=(678==690))))+(((((518<831)>742-679)<=((406>x0)==(x3&&x0)))>=(((851&&101)>x1+99)>=((815==819)!=(x0<114))))==((((x0>=691)<=x0-255)<(x1*477!!125<=330))!=((558>x1)-106*606==((x1<35)<(x3<=x0))))))+((((x2!!281)>x2+x1&&(622>540)<(x0<x3))+((965<776)*(x1>=911)==(100>=917!!x2>=808))!=((((x2<x0)<=(x3!=623))==((617!=748)==x2*x2))>((680-x0>=(x2<662))!=((x2>=415)<=(x1<=803)))))<(((252<156&&924>=x3)+(x3+x2<=(x2&&x0)))-(((x1<x1)<346-417)-((x1>=x3)>(240!=442))))+((((877!=x3)>(74>=845))>(678-408<=(x3<=x1)))>=((78*739!!x1>x0)<=(303+x1)*(x0>=376)))));
write (y)