var y;
var x0, x1, x2, x3;

x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((x2-x0)*(x0<=385))*((253<=866)!=766-574)+((x1>723)>=(x3&&271))*((x0!=115)!=(x2>x0)))-((((x3&&x0)!=(768>x2))+((x3<x1)-(x0>=664)))+((x2&&243)>=910-592)*(768+x2!!988+x1))<=((((281&&655)>(x1>=x3))>=(615<=x0)*(x3!!x1)!!(569>x3&&x1+211)&&(x2>=392)<=(x1>=x1))!=((246!=x0)*(x1-x1)!=(x3+546!=(756>30)))*(((x3>=346)!=x0-417)+((x3==x2)<(x2>14)))))>(((541>x3!!x1<x1)-((x3==x0)<(x2&&776))!!(x3<=482)-(550==x1)<=((969>240)>670-x3))+(((745<x0)>(x2<x0))-((x3<=x3)!=(x2&&160))&&((x3&&970)&&811*554!!(509!=991)==(x1<475)))&&((((895>123)!=(x2!=552))<(296<x3)-(504>x2))<((522>x0!!x0<=329)!!(702>=839)>(x3<x2)))==((889!=362)*(596+282)>=(763*x2<=(908>384))&&((x1!!x1)<(x2!=x0))==(119-133!!988!=x2))))>(((((x3<=x0)-(502!!x1))+(961<445)*(x2+771)>=((x2!=x0)!=(665&&x0))-((x1>x3)==(374<x2)))==(((x1!=x0)<(608==x3))+((392+379)-(x3-822))&&((x3<x2)<(x0!!x0))>=(x1-858>=(x3>x3))))>=(((x2+894&&267==x2)*((947-x1)-(729+x3))<=((955>=x2)-(x3>929)!!((907!!x1)!!838<=x2)))>=(((96!!x2)>48-691)<698*x0+(532!!738))-(672>699!!833&&x3)*(220-x0>=(636==x2))))*(((((213==x1)+(299>=x2)==((x1<428)==(x0!!x0)))<=(829*373!=(910!!x2))*((x0<764)-(998>=342)))==((x1>452)-(33<x3)<((596!=x2)<=(x1>=x0)))*(((x1!!x2)==(990!=510))-((x3+x3)+(568&&x2))))==(((x0==362&&208>x0)*(308+948>x1+x0)<=((936*318==(x3<=30))>((13==x2)>=(x3>x2))))==((257-105<=292+195&&(899==250)-(x2>=232))>=((968+x0)*(618==x0)!!737*835+(802<193)))));
write (y)