read (x0);
read (x1);
read (x2);
read (x3);
y := (((612==x2&&x1==907)<((263!=x3)<=(x0>397))!!(x0&&x0)-(596==71)<(x3*454<(160>=971)))>=((74>x3!!730&&690)*(516<197&&(749&&454))==(x1<796&&(195&&862))-((x2==x2)==(x3>=x0)))!!((x3>251)+(285&&x2)<=((x2>=x0)<(936>=x1)))*(((x0!!63)==(x0>825))>(511-x0==(316&&x2)))>=(((858>=581)!=(890>=x0))-(866>x3&&860!=58)<=((868*x1<=(886==177))<=(x2<=x0)*(x3>900))))*(((((x2<x3!!(864!!613))==(975==787)*(835==39))<((322&&x2!!x2<=249)==((66!=x3)==x1*x2)))*((((399!!x2)<888*9)==(x3+94&&(x0!!61)))*((x0==936)+(603<844)&&(x3>x2&&(840!!428)))))*(((x2-702<x2*643)+(807<996&&(x3&&x0))!!((x0!!x3)<(166>=920))+(347*x0!!x2!=x2))<=((829+x0>=(263&&830)&&(x2>=x3)==x3*386)==((442<x1)+(x3<=x3)&&(701+584)-(x1>785)))))-(((((89==x0)!=(x0>890))==((981<=x2)>=(250==x1)))>=((105<=47&&x3-x3)!=(773>=x3&&(x0&&330)))!!((x1>x3!!x0&&995)!!(637<x2)==(x1&&x1))!=((x0!!291)*(957==x0)<=(844<=x3)+582*x0))*((((x2<x0)>(x0==930))<=(x2==727)*(x3&&x1)!!(12-x1>(x2==x0))>(908<657!!108>=517))!=((((181<348)<(849<=x0))>((659!!x3)==(980!=384)))!=(((230<x0)>772-116)>=((539!!948)!=x0*855))))>(((587+409!!x2!=470)>=((x0>855)==(x3<x3))&&((x0&&293)+(735!!x3)!!(x0>=918)<(127!=x2))!!((x3>=x0)+(x2<x1)>=((x0!=x1)<(x2<=x3))!!(x1+x0!=(795<616))+(19!=899!!677<192)))!=(((167-806&&x0-333)>=(x0==x1)+562*88)<=(((x0<x1)>=(x1<953))!=(x3<173)+(750&&230)))+((((235&&x1)!=(176>x3))>=(633&&x3)*(450==x2))+(((61<=321)>(x1!=325))!=(134&&619)-(x3>879)))));
write (y)