x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x3<156)*(x0<=x2)!=((x1!!138)>(425<352)))!=((599>=499)+(x0>=x3)>(x2-247!=(x0&&x3))))-(((x2*x3&&640+x0)<=((x1!!234)>=(x1<393)))<((x2<x3)==824+x0)*((362==x2)+(x1!=x2)))<=(((611>211!!x2<=939)>(x2!=x2&&464<=65))-((761>=x0)*(x1+x0)>=((970<x3)!=(171!=69)))>(((x0!=136)*(132&&x0)<(x2+718!=(634==x3)))<=((x3<=x2)==(x0>=240)!!(x2<584)>(184!!261)))))*(((x1&&473)*(x3*x1)+(659+x0>(483<161))!=((x0*446<x3-x1)>=((600<x1)==(x0<977)))!!(207*390!=(x1!!x3))*((x3!!x2)<639-831)<=((x0&&x3)*(76&&x3)>(x3-16&&x3<x3)))<=((((852<=x3!!608!=684)!=((x2<90)<(x2>=961)))<=((x0+76>=(x0<36))<(288<=996)-(x0<x3)))>=((783>=426!!752<=940)==((680!=x3)<(x1>x2)))+((485!=x2)<=x2*x1!!(139==4)+(x0==218))))>=(((((x3&&364)<347*x3)-(80*502&&x2>=73)==((986<=287)*(207!!x2)!=(x1+x1!=(x0!!x0))))*(((x3!!x3)+(22>583)>=((x0<x3)==(826==x2)))+((227<=x0)>(431!!x3)!!(x2<=x2)<=(126>=520)))>=((x1==x1&&(x2!!x1))*((x0<=x1)==(x0&&753))+((x2*x2)*(x2!=x0)!!(399>710)<=(x2<x2)))+(((x0&&x3)*(440<=x0))*((x2>x2)+(81<=146))!!((866&&820)!=(x2>=x1))>=(890+925>=(308==x1))))==(((260&&x2)+x2*130)*((932!!748)==(734<=x3))-((1*x1==(855<489))>(x3+x1<(x0&&68)))>=(((749*x0==x1-x2)!=((x1==822)==(248!=x2)))>((x2<259)!=290*730!!(785&&x1)<=(921>=620))))+((((874<x1)>=(x2>=902))==(x3+x0<=(x2!=x1)))*((592*43<x1+298)!=((585&&x1)==x0-858)))*(((719<x3!!733>496)<=((27<x2)>(x2!=x2)))-(((140>986)<=(330<x3))+((184<=822)-(729>x1)))));
write (y)