read (x0);
read (x1);
read (x2);
read (x3);
y := ((((830<937&&x1<=x2)>=((x0!!660)&&920!=x0)&&(x0+544==(x2!=350))-((x0-x1)+(x1!=x2)))+((((x3<x0)>=93*391)!=((622!!389)&&60!=636))<=((270+671&&x1!=x1)>=((x0<=971)<(x1>=x1)))))+(((986!=x2!!x2<=483)-((751>=35)-(x2!!205)))*((639>x0)*(960&&x3)&&(x3<=x0)<=(474==216))&&(((108==x0)<(x1>x3))!=((227<=x0)==(x0!!56)))<=((476!=x2)*(831*315)<(707&&177)+(831+x3)))<=((((58-x0)+(528!=799)&&(695<=466)>=(x0==x0))*((778<x2!!722==968)<=(x2*422==(x0<478)))==(((x0<=x2)<356-893!!(621!!x1)<(328==x0))<=((957<=234!!76&&349)!=(x2>=x1)+(690<x0))))==(((x2>=x2)+(x3&&229)>((x1&&x3)>(508!=x0))!!(x0+865<x2*532)<(105*x3>(x2<313)))!=(((x2>=416)>=(439>=x1)!!(x3!=643)<=(x2>x1))>=(x2-x0)*(x2==x2)+((336>811)<=x1+778))))!!((((260&&794)-(840<=x1)<=((655<x2)>=x3+x2))>((139>=x1)+(935!!x1)!=((774!!x0)>(706!!399))))!=(((x2!!x1)*(x3!=573)>=(x1-768==(x3==x2)))>((x1+x3)-888*x0>((x1&&x3)>(x1<=x3)))))-(((x1+x1!!x1<x2)+((451<255)<=(464&&x2))>((529&&342)+(x3<x0)<=((106<=280)<=987-x2)))+((85>=x0)-(152>973)==(652==x3)*(656>471)&&((251!=x1)<=(410!=222)&&(522!=66)>(x2<286))))>=(((x3>=x1)-(x3&&x0)>=((x1<=626)==(8==201)))*(728*783==986-634&&(262!=571)>24+753)>((x2-x1!=763*x2)<=(x1<x2)-(x0&&x2))+((84&&292!!x2&&x3)<(x0>=77&&x3<=x2)))-((((x3+978)-(x1==x1))*(x2!=222!!x3-x2)==((x3<=632)<555+156&&289*x2==(x2==x1)))+(((89+x1)-(922&&340)>(202<x3)+(374&&x2))>=(((x3!=x2)<=(132!=597))<((x2<=x2)==(x0>869))))));
write (y)