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

x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((((66!!x3)!!379-979)!!(x0!=x1)>=(x3>335))!=((x0>883)!=x1+x0&&(403+x3)-(x1>=726)))>=((x0+662&&x2==1)*(x2!=532!!471<x0)!!(646>x1!!160-x2)>(885<=360&&719==9)))!=(((345<=x2!!(226!!x3))<(211!!226)*(75<=x0)&&((832>x1)<=(x1!!x1))+((32&&x0)<=(768<=629)))>((988*x0<(11>=x0)!!(231-x0)*(x1<=x3))==((x0==x0)*(x3*665)!=((x0!!986)!!355>=x3)))))+(((((163==x0&&383==129)==((x1!=x2)==(x2!!227)))<=(130*547+(x0<=463))-((x1>=962)-(x0>x2)))>=((102-x3<(x0!!746))*((x2!=556)-(508-x1))<=((x0==x3)!=(30>=953))-((432>=954)!=(191!=x3))))<=(((402!!x3)*(x1!=621)>((x0!!x3)<=(802!=x3)))<(x0*x2>=x1-31)*((337!!x0)==249-781))-(((x0==x0)!=(x0!!x0))+(493*x0-(177&&x3))!=(((x3&&449)&&941==x2)!=(506<x2)*(884+x1))))!!((((357+x3<=(x1!=x2))>(323*x3&&192==464))>=(((659!=x0)!=(237<=278))<((x0<=570)>=(x0==x3))))==(((x1!=299!!x0+x3)>((x0!=897)==(x2<x3)))>((x0-x3)+(184+165))-((x3==836)>=(x2==x2))))-(((711!!824)+(939&&x2)<=(939==549)+(x3!=x1)!!(313<x0)-(x2<=238)>=(x0+x3&&978<x2))&&((x3*x1==(117<511))>=(697>=x2)+(689==x0))-((x3*x0!=(x1!=740))<=(506*813>(x3<614))))<((((x2*x3<243*x1)+((706+12)-(89<x2))==((338>594)!=(558<=x1))*(x1>=x2&&x0+x0))>=((((404<x0)>=(178>=x1))>(953*x0>(787!!x0)))>((581>=x1)+(568+x1)&&(975<=x3)-(739>=x2))))>=((((x3*x2>=(152!!x0))==(698<=984)+(130-x1))<=((x1<=777)*(x0-x0)&&(539>=235)*(495!=558)))==(((287!!x1)<(x3&&588))<(x1<790)-(x1!!767))-(((605!!x3)&&x0==x1)&&(200!=726)+(x2!=935)))));
write (y)