skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((((x1>x3)!=(241&&x3))>((547!!x0)>959-x1))==(((66==x3)!=(x3!!5))>((x2<992)<=(940<390))))!=((((3==x2)==x0*x0)<=(224+x0)-(x3!!x2))<(((501<=x2)==624-301)>=((x0>x2)>x2-x1))))*((((548&&742)>(621&&301))>=(954==x3)-(63>x1))+(((982!!x0)==(x1&&112))!=((x0!!x3)>436-746))<=(((x0<=x0)!=(718<=x3))==((x2<=783)==(201!=483)))-(((x1>x0)!=x2*358)>((x2&&274)==(x1==x0))))>(((((792>x0)>=x3-423)<=(116<x1&&x2-x3))>=(((x0!=x2)<=(x2==x2))>(769<997!!x0>=682)))*(((371>=x0)*(x3<=379)!!(353&&445)==x1+x2)>=((x2-x3&&946!=958)&&(117!!429)!=(168==x1)))<((x1*766<=(x0<764))-(x3*608<(377<x1))==((x0>385)-(x1+826)>=(10*109!=(171>x0))))+(((x2<=x1&&796-515)>(110>x1)-(x0-x2))<((174*280>=(786>=x2))>(548-214<x3-625)))))<=(((((x2<=988)>x1*850)<(x3-93<=(375&&842)))+(((x2!!x3)>(x0>x0))<(604!=x3!!x2==508))!=((x1+x0<=(660<401))-(x2>892&&x0+84))-((669*x0>=x2-199)+(x1*996<x2+701)))<=((((x0!!x0)+(x2<350))*((x1==x1)-(550&&809))==((846<=x0)-(x2&&752)<((301==x0)<=(272>=346))))>=((((745==x1)<=(391<x2))!=((631<=74)>(x3!!x2)))!=((x2>=20)<=(x2!!367)!!(x3>=x3)*(329!=539)))))-(((((x1<=x0)!=(x1!=x3)!!(868<=x0!!x3<x0))<=((x0!=742)*(x0<x0)<((503>=485)==x0-x3)))==((x2&&x1!!358<=x2)*(501*916!!x1>=329)<=((570>=x3)+(673<=x1)!!(x3<=454)*(x0<=756))))>(((397<x0)>(134<324))+((x0&&x3)>=x1+x3)!=((x1&&819)!=(x1==x0))*((667!=691)+(x2>=562)))-((869==x0)*(x1==x1)<(339<874)*(x2<=x1)!!((x1&&261)+(x3>36))-(x2>x0&&x3+32)));
write (y)