skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x0!!127)*(x2!!683)&&(185<=x1)<=(x3<527)!!(666>=769)-(x3>553)>(x0==219)-(x1<x3))==(((154&&743)<=(x1!!783))+((x3==343)-(x1!=x2))<=((246<=x1)>=(452!=x3))*(x3*548!=(94!!x2))))==(((x2-x2==x2-x0)==((x2<=x3)<=(x0<=x1)))-((484*314==x2+x2)>=((x3&&446)>=(492!=995))))+(((815==x2)>x0*x2)!=((291!!x1)&&(184&&289))&&((x2<=x3)<(x3!!x0))<=(501+x3)-(189-394))!!(((530+368<=(x3!=x3))>((903<x2)>=(636!=542)))>((x3*x3<=(435<618))<((x3!=244)>(812!=218))))+(((43+81!!133-35)!!x0+236<=(x0!!x0))!=((x1<850!!x0-x1)&&(x0==x3)*(422!=x1)))==(((553+x0>(592!=287))*((452>501)!=(74&&x1))&&((321&&853)>=(743<=x1))*((530<293)>(551&&x3)))>=((((x0>=673)>(916!!222))<(748-x2>=658*135))<=((x0<=355)<975+294)+((x0!=x1)<=x3+x0))))==(((((110>=12)*(x3&&x3))*(x1&&x3!!x1>503))*((374>73)-(35>x3)!=((x3<=x1)>(517<x1)))==(((800!!x0)-(x0>=909))*((x0!!358)<(x3==x3))==((x2>=819)-x3*433!=(x1>538)-(x0+621))))>(((((x0>=704)>(x2<=671))>(577+x2<(x0<x1)))<((158<=x3&&x3!=x3)<(x1!!x1)-(561<x1)))==((((x1<=842)<(x0>=239))>(742>=701)-(735<102))==((x1!=324)==(852>=x2))*((453<876)<(547!!935)))))-(((((x1!!726)!=x3*x1)<=((180!!x2)<801-293))+(((33>=457)==(x3>x3))<=(941*x3<=667*x1))&&((x3>x0!!x1>x1)<=x3*847-(x3!=613)&&(x0>484)-(792>x1)<=(x3==x2)+(376&&464)))&&((x3<906)!=(x0>=781)!!(477<976)<(20!!257))*((x1*x3)*(x1>=x0)>=(143<x2&&524>=950))>=(((x1>=246)<=(x2<x1))<((x1>683)<(x0>x3)))-((887<467)-(660-688)>(528==x0&&x3>768)));
write (y)