x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x2!!261)*(x2>x0)>((x1>x1)<(x0==910)))==((x3<574)!=x3+108)*((x1!=x1)<(428>=73)))-(((x3+x2!!x3&&x0)!!(x0&&x3)<(x2>=x3))<=((524!=x0)+(x0!=x3)==(x3<x0)*(x1!!x3)))==((((x0>719)<=(x0>x0))<=(x2*x1>3+323))<((423>x1&&x0-x3)>((x2>=129)<x2*39)))+((895==x2!!x2>x3)>(x1*162!!353<x2))*(((985!=284)>739+x3)>=((x3!!60)!!358<x3)))>((((97<x0)>(x3!=x0)&&544*962+(x2-x0))==((x1*621>=(289==x2))<((x2&&x1)==(x1<=x3))))>(((x0!=x3)-(343+677)==(x2*832&&x2==622))!=((x2+x3)+(x3>=x0)!!(x2>=185)*(x1>=x1)))&&(((521!=x2)>(x0<x1)&&(x3!=507&&(x1!!577)))<=((x0!!184)-(x2<=x0)<=((584&&875)==(x2==x0))))+(((x3>x3)+629*474>(615<=48!!879&&x3))<(((592>=651)<=(x2!=x0))>(321<x2!!(404!!809)))))&&(((((x3>=588)>=(x0>x2))>=(654>=x1)+(x3!=432)!!(448-569)*(743>=737)>=(x2>x2)+(194-914))>(((452!!558)!!10+727)-(x0<=151!!998&&13)<((x0!!x2)<(x0==287))+((721!=x3)+(x1!!x1))))<(((((x3==189)!=x2-x0)<((x0!!595)>=(108&&388)))>((x3>=931)==(874<=x0))+((850<168)<(x3<x2)))<((927!=x3&&66+429)*((x3!!186)==(x3&&334))!!((490<=530)!=(x2<x1))+(x2-x2<(x1<x3)))))>=(((((x2>=938)-(554>x0))-(x1-x2>=x3-x2))*((852&&x1!!x2>=x2)==((x0!!x0)>=(566<=x0))))*((((906>x3)!=(274!=x1))+((854+924)-(x1!=x2)))*(((x3==x2)>=(25<x0))<=((x0!!798)<(240&&131))))!!(((754<=961)==(x3>x0))*((327<=918)<28+783)&&((x2!=87)>=(433<=x0))>((254>x3)==x2*x2))>((x1!!81)!!880*x0)*((212<=448)>(x2>x3))-(((444!!x1)<=(673==634))+(x0-232)*(x2!=808)));
write (y)