read (x0);
read (x1);
read (x2);
read (x3);
y := ((((((520!=x0!!101<=762)>=((x0!!x1)!!x1>=72))!=(77-277)*(x1!!x1)+((x2>x1)!=(x2!=149)))<(((x1-454)-(150>x1))+((514<x2)<(619!!3))!!((x1==x3)>=(x1<276))!=(15>=380&&x2>=x0)))<=(((855<x3)<=(506<454))+(x3*385&&539+x2)>=((x2==124)>=(x2>=321)&&(233>x0)+(585==618))!!(((x2>x3)!=(x2>x0))+((x1!!164)>=(148!=505)))+(x0>=34!!285>=x3)*((x1>=402)==(944!=386))))>=(((((571!=x1)<(x2<=x0))<(113<=304)-(x3==x1))<=((x3-x3)+(x1!!x2)&&(x1<691!!(x3!!x2))))<(((x3*565<=(413>=x1))==(324+775)-(x1>953))<(((x2!=425)>=(x3!!x0))>=(x1>x1)*(x2*x0))))*(((x1!!x2)-(3!=x1))*((x3!!710)&&x0-x2)&&(487<x1&&x2-508!!(533&&700!!x3>=563))!!((498*x3<=(x1==987))<(96+x2>=(699>906)))==(871+0!!x1!=x3)-((368==x3)!=x1+445)))!=((((((x1<=x0&&458==677)&&(673!!837)<951-255)>=((721!=x3)-(x2>x3))-((x2>499)>=(279&&x2)))<(((x0==650)==670+x2)*((569!!x0)*(592<=x3))==((114&&x1)<(x3<x2))+((x2&&683)>x0-x3)))<=(((903-x1>=(x3!!x3))<((x3>=x3)>574-x1))-(((x1&&x1)<(x1==483))>((x3>854)>=747+x2)))-((((499&&x2)>=(x2!=x0))==((754==951)>(471>x2)))>=((x1<489!!x2<=537)>=((x1>x1)==(787>=872)))))<((((115!!x2)==(x3!!792)&&(x1>=x3)>(387&&224))<=((x1-2<(x0>x1))<=(x3&&x2)*(311<x2)))-(((569==x1!!x1<x0)>(40>=487&&x2!=204))<=(((823&&400)!=(406>=x1))==(500!=301)+(x3!=866))))+(((x0!=x3)+(x3&&566)!=((469<89)<=(x2>=x1)))-(((x2&&x0)!=x0+377)==(x0*x1==x1*x1))<(((530<=868)-(0>=112)>(x1!=x3&&(179&&173)))>((768!!306)*(668*x3)!!270-x2>(x0!=498)))));
write (y)