read (x0);
read (x1);
read (x2);
read (x3);
y := ((((((247!!x0)>=(228<x0))!=((499&&152)!=(494!!401)))<=((893+x2)*(x2*523)!=((x0>=81)>=(579!!x3))))==((300-179)+(x1+x1)!!(892+x2)-(x2-385))-((x3<=11&&507*771)<((x1>672)!=(572<=x0))))+((((x1==210)*(22&&x2)==((x3==x0)<(x3>=877)))<=((x0<=x1&&872-835)!=(586<106!!(x0!!x1))))<=(((x2*64&&342<=x1)<=(x0>421)+(x1<=x3))>((x2!!x0)<x1+x3!!(x0<128)!=(364&&46)))))-((((x0<=362)*(x3!!x3)<=((704!!382)<=(217!=88)))-(((422<47)+(484<x1))+(625*x0!=(960==474))))-((((715>451)!=(x2!!x1))>=(x0>=x3)*(x3*x2))==(536!!221)*(x3-x1)-(746!=347&&x0+x1))<((((x0>86)>x2-577)+(x0+x2==(18<94))<(((990<=708)<=(346>=971))<=((171>967)>=(258<830))))>(((x0&&x1)*(x3&&x1)!!x1==681&&(x0!!680))==((x0-x2<x2+504)<=(x3+725!=(x3>=182))))))>=((((((842!!x0)>=(771!=589))<=((407!=409)<(x1<x0)))+((x1<554)>(410>=676)!!(177>=x3!!244>=622))!!((191>=x1&&62+x2)&&(x3<894)>(x1&&x0))<=((749!=x3)>=(x2<106)&&(x0-x1)-(x0!=108)))<((((x0>304)<(x2>=347)!!(x2>=x2)>(x1<x1))>((730*891>=(x2<655))==((759&&803)>=(233<=x2))))>(((444*352>(996!=5))<(x1-x3)*(31&&x1))!=(((457&&575)<(108>911))<=((285>=x0)>=(x1==965))))))<=(((((94>446)<(776!!x0))-(473==252&&x1<x3)<((x2>x0)-(122<x2)==(x2!=558!!(699!!x3))))<((x0*111+(x1-542))-((x3>380)>(955>=x0))==((x2*510)*(x2!=560)>(x0-850>(x2!!971)))))<=((((x0!=x3)!=x1-x1)>(x3!=627!!x1==525))<((x3<=761)-(x1!!33)<=(x1<=x3&&885>=95))&&(((x0&&151)<=x2-x0)<=(783*686&&400<=429))-((799>=x0)*(x2<831)+((263<x2)>=(x3!!x0))))));
write (y)