skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((168!=933)<=(x1<x2))<=((x1<=837)!=(145!=x3)))*(((x0>=x1)>(17!!420))==((926<995)>(551>=x2)))-(((735+42!!x3<834)<((x0<751)<(x2!=254)))>((x2-885!!x1*x1)<=(706-412>=(640>=228)))))+(((x2-x2<(x3==734)!!(586+690!!x3-112))<((x2!!x3)>(x2>=468))*(x3-893<(561<=34)))>((x2-x1<=915*643)!=((537&&x1)<(x3<x1))&&((918>=x2)<=(x0>=x2))>((776<696)>x2+x1)))==(((849<x0)-(x3!!x2)<(x0==x1)-(50+393))==((335==x3!!452+x3)<=(x2&&134)+(398==503))&&((713<=x3)+(x0==x3))+((x1&&164)-(250!!x2))!=((338!!923)<(461!!x0))+(410!=391)*(719+159))+(((x3*677!=(658&&x0))!=276*601-(713>=159)!!(x3-x3>=134+x3)>(x0-x2)+(698>=774))<=(((19>568)-(x1>x0))+((853<=x3)+33*x1)>=(((448<=x0)<(x1==x3))==(632>=x3)-(x1&&x1)))))==(((x1>x0!!191+x0)>=(632&&x0)*(x2-x2)!!(858>x1)-(x2<x1)<=(368-x2!!(x1!!x1)))==((((909!!432)&&x1==x2)<=(281*143&&x3>810))<((586>=67)+(x2+841))*((615&&x3)<=(828!!x1)))!!(((x3!=x2)>(99&&x0))==(x2<=x3&&297-x2))-(((658<800)>(x3&&998))<=(706<x0)*(x2<x2))>=(((312!!76)&&982==x3)>((x3<=394)>(x3&&59)))-((387==485)+(x2&&x1)==(174>x3&&x2>x0)))-(((((x2!=400)-(x1!!224)>=(914!!137)-(330+954))>((x2!!x2)>=x1+x1&&(644!!904)*(x2*x1)))<((((x3>=x0)>=(64>69))<(x3-x1<=(36>72)))>((x0!!x2)*(500>x0)<(200<=141!!x0!=296))))==(((((717>=x0)!=(x2<831))>=(x3>366&&(468!!749)))<(189+x2<x3-x2)+(x3!=x3&&(x2&&x2)))!=((((x3!!x1)>=(x2==530))<(317-x0>=x3-x3))!=((x3<=x2)-(613&&500))*((x2&&x2)*(x2<=787)))));
write (y)