x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x3-x1==(517==347))==(x2*x0<=(x3<=x3)))-((943&&451!!505&&33)<=((x0!=x0)<(393<121)))>=(((x0<x1)==25+875)-((968<=919)+(462!!633))!!(59>x2)==x1+552&&(x0&&860)+(608-876)))<=(((x1*12>=(x3<=902))<=(718*38<x2+x1))+((x3*x2==(x2>=468))<(x2>577)*(x1!!x1))<=((x0-x1&&347+x0)<((x1==x1)>(x1<=x0)))-(((x2>=262)!=(277!=878))>=(x2*x0==(246<=x1))))!!(((x2-462>=(x1>=431))*((36!=x0)>(x0>x0))!=((399>242)-(764<122)<(x2+275>=(755>=x2))))!=((x2>x2!!(646!!x3))&&(x3&&670)<560*927!!(495*x3>=(x1>=x3))>(x1<x1)*(940-x2)))<((((x1!=40)*(x2&&331)>(x3*x1&&x0*x0))<=((503-x0)+(840+870))-(129-16<x3*x0))>((((918<=641)==x0*x3)>(x2!=x1)*(x0-273))!=((x3!=x2)+(791-x2)==(x3+838)+(508<x0)))))<=(((396>=945&&x1+558)-((132<x3)-(742!=696))<((x2*x1==852+511)>=((456!!x2)!!542==977)))*((((730<153)>=(505==x1))>=((x3>x0)>(994!!204)))!=((377==646)!=70*x1)+(976+x1>(x0<x3)))-((((x0!!x3)&&(x1!!x0))+(x3+x3!!920+x2)>((x2==71)*(587!=556)!!(x2!!302)>x0*384))>=(((x2>=249)<(x0<x3))-((x2<=x1)+(x2<=x3))!!(610+84>=(914&&x0))-((x3!!105)!!314==271)))!=((((((x1>=x0)<(x0>=x0))>=((x1!=69)<=x1-633))>=((x0<x2)==(844<x1))+(347==101&&656*272))==(((x0<=x3)*(73<=814)!=((705<757)>x3-x2))!=((443&&x1)*(x0>=x1)!=(x3*x2)*(673-x2))))<=((((x3!!690)<=(x1>=526))<=(386-104)-(825<=x3))>=((x1<=455)>988*906)*(889==x1!!x3-x2))-(((x3==x2)+(x1-x0)<=(x3<=106&&182==329))<=((x3!!x0)==(x0>362))*((x1>680)!=(x2>=631)))));
write (y)