read (x0);
read (x1);
read (x2);
read (x3);
y := (((((x2==407)+(x1-x1)==(x0*379==(x0!!781)))+((x0<=x3)+(x1+x2)==((x0!!399)>=(117<x2)))==(((147==952)>=539-973)==((x0&&x3)>=(x1>x3))&&((21!!536)<(520>=x1))<=(575>x3)-(482&&x1)))==(((397*x2<(654<533))*((399<32)<(x3>=818))>((907<484&&x2!=x0)>((722<x0)!=(x0!!33))))<=((x3>=371&&x1<=459)&&(142>437)>(289>=x1))-((356-x2>=(994<805))>(294>200)-(x2&&x2))))==(((448*614==(359>x0))==(922!!x0)*(x3<=x2))<((x0*234<(784&&222))<=x1*x1-(x2!!621)))*((((799>=x1)>(959>=x2))==(788&&868)+(x2!!190))*((x1+45>(x0&&851))>(x2!=x1)+(59>=x3)))+((((769&&135)>=(x0!=x3))-((x1<=x0)<641-x2)!!(585&&x3)*(159-981)+((676!!x0)&&x0==x2))!=((600-x0)-(888==853)!=(548<x3)*(x1!!355))-(((217>=x2)>775-249)>(x0*x3<(737&&x0)))))==(((((767>=239)<(432&&723))<=(x0*841>619*x1))!=(((x1>640)!=x1+338)!=(29>=656)-x0*x3)!!(((790<x3)<=(375!=31))<(566==354!!341>990))>((233+x3==x0+x0)>=((298==x1)>(x1<959))))!!(((x3<=878)+(504<x2)!=(x1+x1)+(280!!160))>(((x3&&x1)<(607<x3))<(x0*162>454+86)))+(((x3>=653)<65*498&&(x3!=x1)<(824>=100))==(x2*x1>(x3!!253)!!(x3&&944)>(241>=x3))))-(((((269!=829)-(x1+x2)>=(x0<133!!x0-x3))<(49<656&&(x3!!x3))*(120+x0&&x2>=x2))==(((261>=x3)-(x3<x2)>((x2>x1)<=x3*795))<(((417&&230)<=(313&&123))!=(x3-448==131+500))))>((((645<=503)!=393*506)==(193-x1==(704<x2))!!((36==6)>=(x1!=x2))>=((958<=x3)<=(x3==x1)))<((x1-x1>(51>977))==(x2-167<(492>=x0)))*(((x0&&246)<(50<=x0))<(x1-194>=(897>474)))));
write (y)