x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x2+967<(x2>x0))<(x3>x1)+(x2!!186))-((142&&x3!!595*361)-((954!!x0)<(182&&x2)))!!((691>748)!=724-905)-((451+108)+(372==781))==((x0!!x2)*(x0==546)!=((216!=65)==(321==332))))-(((x1&&828)>=(237>x0))+(x1-x3>101-x2)<=(((228<x2)>(x2>x0))>((x2&&x3)==365-695))!!(((x1<=755)>(693<187))<=(866<x0)+(x2<x2))!=((x3<31)*(4<689)<=(774<=x0&&135<=650)))!=((((x0<=318)+(x0!=823)>=((x2<=x0)>(x2!!x0)))!=(((x0<x3)>x0+427)<((x3==x2)==x2*x1))&&((x1&&646)-(x0!=x0)!=((x1!!256)<(x2!=x0))&&((387!=673)-(x0==x0))+(x2+x0<(288==x0))))<(((626>=x2)-(182>x0)==((458>x0)!=(x1!!x2)))>=((x0*x3&&(x2&&x1))==((x1&&x3)<(489<x1))))-(((x3==x0)-(x0+x3))+(735-133<=(231>=842))&&((898<998)==x1+x0&&(x0>274!!482*865)))))*((((644>x3)*(x3&&x3)+((171>422)>=(733==267)))-(((x3==106)==(x0==783))>((x2!=x2)<(x0!=x2)))!=(((x3>514!!x3-428)!=((x1&&616)>(401>454)))==((21<=628&&798*x3)<=((272==x2)!=(868<x2))))&&(((954+x2)*(811<=965)>=((700>324)<=(903<=x2)))-(946==x0!!395&&299)*(603+x2!=(348!=x2)))-(((x1-831>x3-x0)>((860>x1)<=(251==x1)))<((x1!!x1)&&(63&&415))*(x0-x1<=45+989)))!=((((436*841!!x1<39)<=(67!=978!!x0*147))-(((x1!!x3)<=(283!=840))>=(x2<=x1)+(918-x0)))+((x3*829+(x1==x0)!!(134*x2!!x3*x0))==((x1<=618)*(x2!=x1))*(272+460<=x2-x3))>=((79*730&&x0<x1)>=(x0>=448)-(x1!!x0)&&(417-82<(x3==x0))+((303!=x3)-(602==507))!!(((x3!=x2)>=(334<=x0))-(178>=x0&&715*763))+((243>x1)+(x1==x1)!=(x2<268)+(x1>x0)))));
write (y)