read (x0);
read (x1);
read (x2);
read (x3);
y := ((((x3>=x2)*(28!=x2)>((x1!!196)<=205*x1))<=(((607&&x2)>(x3>=432))!=(x1==574)-(742>=265)))<(((556&&975)&&917+x3!!(x3!!220)>x1+8)>=(((x0!!x3)<=(x2<=x3))>(x3==662)+(325<=x0))))*((((x3&&179)+(x2==x1))*((x0>x2)+(790-434))==((x0>=x0)==x3+x3&&(x3!=x0)>=(x2!=x3)))<=(((x0<=x0)<(746==617))+(78<=x3)*(481<=778)==((x2+88>=(x2!!x2))<=(x1<=579!!(x3!!999)))))-((((x0&&513)+(x2+x3)>(x3<=200!!281>=x3))>=((637>=780)<(611>=520)&&(726&&x3)>=(x0&&797)))*(((820>=814)<(x2>=x3))>=(471!=662)-(x2-x3)!!(x3+x1<x1-44)!=((563&&697)<=(23<=x3)))+((((254+94<=(x0!=898))!=(x2+584)+(10<=x1))>((411&&705)&&373+x3)*(x1*x0<(x0!!603)))<=(((563<836)-(x2>834)!=(x0-x3&&(x0!!x3)))==((537-474)*(x3!!843)!=((848<x1)>=247+x1)))))&&((((x3*988+x1*x1)-((943!!x0)&&x1-x0))*((921<=897)>=866-583!!(94&&x3)<x3*x2)<=((60+485)-(858<=x0)>=(x2!=740&&x1<=411))*((x3>=587!!967<=x3)-(815<=945&&880*x0))!!(((881==x0)!=(149==x2))+(x3*889!!x3<=x3)<((x1<856&&635-x1)<((x0<632)<=(947>=x1))))==((927-710)-(x1==78)>(x2<x0)-(x0>672))-((254-866!=(x3==x0))<((416>x1)==(478<747))))&&(((933+913<=(x0>x3))+(x3+x2==(x1<912))!!((x2&&x0)&&577>=x1)<=(575+x0>(491>1)))<=(((x2>=708)>(325>194)!!(x0+x3)-(x0>=330))<=(856-x2<=(96<x3))+((x3!=996)>x0+336)))<((307+923<x0+312&&(602<=x1!!671!=x2))-((x3!=x3)-x0*808==((124&&x0)>=x3+354))!!((643&&173)-x3*x1)+((133<x3)<(998>=x2))>((x0&&x3)&&(578!!x0))+((294&&x2)!=(379<=416))));
write (y)