skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((x1*738<=(x0<75)&&(x1<x2)-x0*x0)<=((637+x2)*(x3>x1))*((x3<=562)>(456<=485)))!=(((218>x2)>(x3>527))*((x2<=x0)+(x2+x0)))*((344>50!!x1>=276)&&x2-195<(x0>585)))!=((((225==431)<(479==x2))==((x0>877)<=(x0>798)))-((127-x0)+(x0!=x0)&&x0-70!=(x1!=714))&&((x2-x1!=(353==x0)!!(x0&&495)+(x1&&x0))&&((632>=910)>=(x1>=x1))+((x0>x3)>=(x0>618)))))*((((x3!=x0!!316&&x3)&&(156==336)==(455<x0))&&((x1<=x2)>(x0>=653))-((x0&&333)>(x1!=x2)))*((518>=173)*(x0<=x0)>((588==720)>(78<267))&&((x3==430)>(465!!497))>((439<938)>=(784!!198)))+(((196*198!=(282==76)!!(936+674)-(x0!=895))<=(((x3<389)==(403==746))<((355&&x1)&&x2>=x3)))<(((x0!!x2)<=x3-x0!!88*278>(x0!=519))!=((x0>x3)>=(x3<x0)&&(656<60&&x2+x0))))))*(((((341!!x0)!=(30<13))!=(x2!=63)-(929+205))-(((137&&x1)<=(x1<=x2))<((45&&x0)>(272<x0))))*(((108==x3!!x0<150)<472*111-(333-x0))>=(((756&&x2)!=(558>=617))>(322>x3)-(x3+x3)))+((((102-x3>828-x2)<=((x1==x2)>477-x2))<(163-739==(254!=x1))*((708<=x2)!=x2-x1))>((x0*180!!333*x1)!=((x2>112)>=(519==226)))*((x3-877==x2-x2)>=(x2<=x1)-822*x1))<(((((419==616)>=(968>x2)!!(526&&184)!=(727==x0))>=((x3+x1<=(273!!833))>((837>273)<(x2==x2))))==((504!!647)<=(673<909)!!(748!!830)<(756>569))+((x3+942==(x2!!846))>((289==383)<(841>299))))!=((((454<945)>=(559<x3)&&(x0!=x0!!x3+x1))>((x0*94&&x3+422)>(x2-648)-826*x2))!=((43-x0&&x2*x2)*((215==326)-(187<=x0))==((775>838)*(873<=x3)<((662!=x0)<(307>=x0)))))));
write (y)