read (x0);
read (x1);
read (x2);
read (x3);
y := ((((((93-x3&&x1<x3)>=((662!=642)<(844>x3)))<((367>=170)!=(x1>=x0)!!(59>=443)-(x3!=x1)))<((((386==88)==x3-34)<((176!!x2)<644-x2))==((2!!x1)>=336-365)-((617!=585)!=(x0<=x3))))<=(((376>682)-(372!!564)<=(852<=765)-(x3>x2))+(x0<713&&x3==x2)*((735!=x0)*(219&&255))>=((((969!!x3)!!x0<67)!=(x3*x2<=x0*x2))>((861&&238)&&304>=x1)-((107==264)>=(837<992)))))<=((((((468==416)!=(x0!!x3))>=(x1<375&&812==893))>((x1!!x3)+(x3!!x1)>((x0<=x1)>=(x3>x2))))==(((32>215)+(x1&&x3)<=(x0*x2)*(196!!627))>((x1<x0&&5*915)>(x1>x1)*(323==x3))))<((((506!!x1)>=(x2<=x3))*((x0!!682)!!594*767))*(930*x1!=(662!!x1)&&(x3<=x2!!x1>708))>((752-x3>=(943<=x3))*((394&&x1)>x0*387)>((582&&701)+(9<=x0)&&(566==945&&x1>=226))))))>=((((42+x0>898*774)-((x1!=832)==x2*782)>=(x0<=505!!569<x0)+(x1-750==x2*x0))!=((((x0!=833)<=(x0>=x3))!=(82==x0)-(931<=x3))>=(((x1<x1)<=(826>=993))<=(720>12!!x3*34))))+((((x1!!158)&&837==x0)!=((x0>=x1)==x2+754)!!((426<351)==129*x2!!(x2==76)<=201*123))&&((x0<x0)+(x0+x0)==(52<x3)+(x0>=x2)!!((x1&&713)<=101+453)<((x3!!551)>=(384>=x2))))>((x2-x2>143+142)>=(x3*x2<x1+x2)&&(136+306!!x1+x3)+((x3!!884)<(177<=x2))!!(((1>445)<(258&&187))==((900<=x1)==x3*191))+((x3!=681)*(72<627)+((805!!827)+(5>=x0))))+((((x3<x0)>=(922<=716))<((787>798)>=(758==128))!!((857&&x1)<=x2*813)-((302&&x1)<(513<=166)))!!(((x1<x2)<(509&&x3))<((x1<=366)>=(x2!!518)))<((330!!859)-(x2<x1)&&x2+988>135*271)));
write (y)