skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((((x0!!x0)&&841!=x3)<(82==97!!732&&138))>((927-358&&x2==x1)==(x1<727)*(x0==4)))*((x2*x1>=(x3!!360)&&(754>=x0&&(947!!465)))-((869!=299&&x3!=454)>(x1+7&&332+26)))&&((192<x3)<=(841!=x1)&&(755==409)>=x0*x3!!(711<=x0!!730<x2)<((601!=x0)==x2+885))!=((x3==x3)>(977<740)!!815+709>(276<661))-((x3+x2>(552&&x2))<((546!=x0)>=x3+965)))!=(((x0!!x1)*(x0==x0)+(x2+x2)*(x3<=x3)==((x3&&x0)*(x0>x1)!=(x3==320)*(x2>=x2)))*(((108-x1&&x1+668)<=(x3+613<=(x3&&x0)))!=((821!=351!!x3!=x2)<=(x2-x3<(x2==x0))))!!((((x0!=x3)<(817<x2))!=((536!!132)>(641<=x1)))<=(((124==x2)>(256==x1))<(x2<=76)-x1*x1))+(((x1&&x0)*(x2!!x3)!!(x0==x3!!(349!!x1)))!=(((x1>=846)<(123==190))<=(x1==176)-196*x3))))<=(((((315!=x2)-(273!=x1)>(x0+x3<=188*338))>(((x2>24)>=(x1<221))<((59!!3)>(464!=x3))))!=((899<=786)<(412!!630)!!(384>457)-83*759)*((x0<x0!!500==x1)-(x2!!x0)*(x3!=776)))+((((x2!!x2)!!445<921)!=(124&&x3)+(597+x1)!!(x3&&735)+(x2==x1)<=(588&&148)+506*x2)!!(((456==x0)<=(x3!!x2))>(x0*x0==(x3<x0)))<=((x1<=978)<(x0<=x2)&&(x1!=827)>x0*175))>=((((792<=156)-(638>x0)!!(128<=714)>71+301)>(((485>463)<(x3>x3))<((x3!=x0)==(912<=145))))<=(((x3!!771)!=(35&&x1))-(x3!=x0)*(x0!!319))+((x0>=996!!958<486)&&(x0*x1&&x0==x1)))*(((850&&x2)-(951==105)&&(312!!x2)>=(x2<223))*(x3-2&&x3>=616!!(54==155)<=(x0&&624))!!(((x1>x1)<=(99<=572))<=(x0+486)*(147!!x3))>((x0&&x2)==(x0!!576))-(342*334&&x1==x2)));
write (y)