read (x0);
read (x1);
read (x2);
read (x3);
y := (((((x2+42!!16<x3)*((60!!77)*(186-x0))==(x1-773==(x1==139)&&(634<94&&473*x1)))==((x3*75<=x1*x2)-(731*x0+(145<=987))!!((x3==x3)+(932-612))*(x3-x1==x1-x0)))<=(((x3!!x2)-(791>=x0)!!(148!=x1)==(860<=x0))>=((239<x3)+(227+525))+((x2&&x0)>=158-78))-((((968<=804)<=15-770)+((817>140)>=(222!=x2)))+(x1*966-(x2>x1))*(x2>=x0&&679>=x1)))>=((((156*x3+(x1&&x0))+(52==494!!606+912))+((x3-x1)-661*95>(449-230>=906+754))&&(((437==435)<=(614!=270))+((436!=254)!=885*918))+((337>67!!x3>59)!!(x0>=167!!366>=359)))!=((815>=x0)*(227>x3)!=((602!=866)>=(457>905))!!(774-x3&&(x0!!493))>(x1+x0>(357!!x0)))+(((98==533)==(x1&&574)!!(811&&x0)>=(x3!=149))==((930>x3!!x2&&x2)!!(160!=x3)>(x2>=x3)))))<((((304>x1!!243>152)<=(400!!x2)*(557!!138))-(((559!=x2)==(497!!x3))-(446<=x2!!x3<103))!=((257<=676)>=(x3!=558)&&(828&&x3)>=(529<=303))*(((731<=323)!=(425<x3))>(703!!379)-(489-x1))!!((x3-x0>x0-509&&(x3!!857)>(556<=892))&&((524!=248)<(x0>=155))==(971&&286)+(x1!=x1))>=((21==x0&&612<x1)>(694==x0)+(469!!992))-((x0>364)>=x0*x2!!(723<x2)<=(x0<927)))<=(((((340>250)>(x2&&x3))<(x2<x0&&x2<=x3)!!((x3>266)>(678>=x3))>(x2<=435)+(47&&825))!=((x3+391>(x0!!84))>=((x1>=x3)!=(422<=x3))!!((350<=195)<=(x2==x0))<=(349>=665&&78<963)))<=((((141!=x2)<(x2>169))>=x0*x1+(182!=712))>=(((x1&&x1)>=(900>x1))<((539&&x0)==333+x2))&&((x3!=924)!=(x3==491)!!x0!=x2&&505+475)+((961>=x2)*(676!=x0)>=(x3*480>=(x2!=350))))));
write (y)