skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((878<123)*(x3<=262)+((x1>=508)>(x1>=788))!!((558>x0)>(x3<x1))*(x1*x3==x3-x1))*(((953<561)<=(622!=x3)!!(x3+x1!!x1&&x2))*(((113&&x1)==(x3==124))-((x2<355)>=(x1&&399))))>=(((x3>=x0)>(656>=x0))==(x2<=x3!!(x3!!x3))&&((810&&x0)>=x2-x0)+(5+735<(x2==x2)))-((662<x1!!x0!=x3)*((x2>x1)==(x1>=x2))!!((x2>x0)<(x3!=687))*((x3&&x2)==(952<x0))))!=(((((x2>x1)==433-x2)+(x3!=831)*(x2+x2))-((x2<358)>=(x1<x2)!!(260&&318)!=(x1>=x2))==((((x2<=x3)>(955!=x2))!=((x3<x3)==(x1!=493)))>=((949!!760)<(116&&x1))+(x3*x1!!944!=903)))==(((x2>=644)+(925-572))-((x1!=151)<(x3!!7)))*(((x1<x2)>(664!=900))-((388>44)+(x0&&x1)))-(((x1>=x2)<(652>=x0))*((x2>563)>x1+156)-(((x3>x3)<(933!!75))<((906<=x2)<x0*x2)))))*((((402>=x0!!127==593)+(793+x3>=(x1<x0)))-(((14<=x1)<=x2+355)+(x3-879!!x2>=570))>=((x3*795<=157-743!!(x3-x0!!863<x0))<(((703>815)<(637!!102))<(x3-982<x3*x1))))>=((((x2>144)-(x2&&749)>=(x1>x3)+x1*x0)>((x2==x0)<=x1*x2)*((x1&&425)<(x0<x0)))<((208>=x0)-(x0-189)!=(670<201&&(x2!!x3)))+((178*x0&&x1<=588)>(172<x1)-(62==x2)))&&(((x3<x0&&165==646!!(959>=77)<(x2<=x3))<((x1>x3)>(x2==x1))+((x0!!250)!!x2&&472))>=((((870&&664)==x2*x1)>=((x3<x0)>=x1+694))>((x1<x3)+(x0==x1)<((59<=x1)<(265<=536)))))+(((((410<x2)<=(x2>=x0))<(176-x1!!719!=221))>=((191*816<(x0<=x2))!=(32<=x2)-(x1&&335)))>(((611<=x2)==(955!=782))<=(x1-253<=x2*906))-(((81&&919)&&x2-644)==(x2<=975)*(965<x3))));
write (y)