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

x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((559-x0)+(x2>=871)!!(x1<=903)>185+786)>((49&&437)*(457+506)&&(x2<222)!=(x1>x3)))-((x2>=x3&&170<x3!!(749&&623)!=(685>558))>=(((627!!x3)!=(x1<=527))<((x0<537)<=122*903)))>((((x3<=555&&x3==x2)&&(216!=x1&&193<396))>=((x2<=x2)+(359>x0))+((296>x2)<(x3>269)))==(((12-x0)-x2*948!=(118>=983!!x3>=x2))<(760*x2-x1*x0!=((840!=14)==(x1!=x1)))))!!(((631!=299&&(x2&&510))>(633>=x0!!127==x2))+((x2*540!!(x1!!67))>(41+700>=743+x3))<(((x1-877&&405<=x1)==(529-945>(93==125)))<(((786!!x3)&&667<127)!=(x2*x0>=(103!=x0)))))*((((614==742)!=x3-991)!=((x3<=x3)!=38-x0))>(((165<=795)<(x1!=x3))>=((603>177)!=(996>310)))&&(((x1>=x2)>=717*494&&372-244>=(214>x0))&&((x2<=x2)<=(x2!!971))*(268*836<(806>634)))))>((((((333+x2)-(416!=x2)>=((805!!814)<(199!=894)))==((472-391<=(677&&x1))>(268<650!!x2!=480)))<=((x3<x0)==(362<=x3)&&472-848!=x0+290)-((294*x2&&255==x2)<(54&&x1)*(750==366)))!=((137+601==(x1!=390)!!(205!!261)*(208>=326))*(((x1&&739)&&x3-x1)!=((41==876)<x0-x0))>=(((354&&x1)*(992!=382)>(826<=927!!x1>=110))!=(x2>=x1&&x2>x0!!(x0==475)==(x3!!x3)))))!=(((((306&&x0)!=890*x3)>=((229>387)>=(x1>x1)))>((992!=246)+(929+296)!!(140&&x1!!x3*791)))>=(((58*x2!=(918!!x1))<(223>=x3!!x0&&518))<=(x3*x1-(752-111)!=(x3!=x3)*(x2<x1))))*(((x0*577==232+770)+((x2<x3)<(112==x2))!!((826!=x0)<=(x0==x1))*((x2>=x1)!=(x3>5)))<=((x0-705!=(149<x1))+(125-834&&x0+128)!!(420*785&&158<=479)>=(x0<808)+(x3>x2))));
write (y)