read (x0);
read (x1);
read (x2);
read (x3);
y := ((((684==950)>=(283>=680)&&(x3>=x0)>=(665&&x1))*((82!=304&&x3>316)<=(x0-x1<(809>=63)))<((116*731==(154!!x2))-((836>=x0)<(x1&&x1))&&((x0>x1)>(x1<x1))-(x3>x2!!(x3!!917))))-((((294>=735)>=(x1!=x1))!=(677!!311)+493*x1)-((115<x3)!=(840!=x3)&&(x3>=358)+(523&&732))==((x2*254>(893<773))+((x0&&382)&&881==75)<((x3&&x2)+(612!!796)==(703+x3)-(x1<925))))&&((((980!=x0)!=x0*789)>(x2-296!!636*819))>((x1==391&&852<259)<=((x0<826)<=(884<=254)))!!(((x3!!202)==(674&&458))>(698+x2!=x1*653))>=(x1*775<(538<x0)&&(548<x2)==(874!!947)))==(((200+x0)*(x1-768)!=((731&&x2)>=x3*598))<((x3+105!!x0!=178)==((x3&&x2)>=(246&&84)))&&((335==x1)+(835==x1)>((820>x3)>266-108))*((218!=83)*(554<334)==(x3==x1)*(x3<x1))))==((((((959<791)<=(986<=x0))+(969>x1!!x1*63))-((646<x2)>(475!!702)!!(x3-x0)+(x3!!905))!!((x1<270)-(x2&&x0)!!(x2!=470)==(x0!!x2))>((x3-956!!184*x0)!!x2+x0<(222>572)))<=(((((x1!!x3)!=(607&&919))<=(238+798&&x1<x2))==(((x1<=96)>=(316&&457))==(325>x3)-(570!=447)))==((x1!=874)<=(x1!!x1)&&(791+x2!!x0<=x1))+(((x0<=x2)==74*x0)+((306<=x3)<=(559>775)))))>=(((((14!=159)<(x0<930))-((x3<x0)<=249-979))-((x1<=212&&x0>x1)<(353>=127)+(891>=x0)))-((((192!!x2)<=(x3<=x0))<(x3<=726)+(x0==x1))>=(((721!!443)>=(x2&&444))==((45!!154)>(548<x1))))&&((x2*x3<670-131!!(484!!424)+863*x1)!!((673<=302)>=(93>=x1))<((x1>=x1)>531*x1))==((((261<=331)!=250-x3)==((x2==172)<=519*x1))>=((476!=x1)-81*705)-(645!=x0)*(x0&&x3))));
write (y)