skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((823+x3>=80-543!!x3-x1<x0-41)&&(745<=x0!!(x1!!x3))<=(x2-458&&639-710))-(((209>=x2&&(x3!!537))<=(864-232!!851+x3))!=(((x2&&855)!=(x3&&321))>(791+x0<=(x3>=x0))))<(((((x2>=924)<(x3&&465))>=((235==x3)<222-655))>(937+x2!=(x0!=x1)!!(x0>x3)>=(241>=434)))!=((x2&&268)*(x2&&x3)!!(x2!=x1)>=(x3>=848))*((x2<=65&&x3*x3)>(714-744>(x1<=x0)))))==((946*x3)*(601>=x2)-(x2<=x1&&139<181)<((835!=0)*(x2-x1)!!(388<=529)+(x2>x0))&&((499+671!!x2>544)&&x3+334!=(374!=x1))<(815+242<(205==x0)!!355<x3&&x3+262))-(((940*x0-(462>571)<(84+398<=(x3==184)))>((x0&&525)*(x3==x1))*(x3+73>542-976))>(((x1<=x1)>(x1==x2))*(169+819&&596<=x3)>=((x3>=x0)-(x0<=875)<=((610!=365)!=(871<=x1))))))!=(((((((x2==x0)>(x0!=787))<((x2!=862)==307*356))<=((x2<x0)<=(552!!557))-(x3+x0!=(x0<=274)))>((x3>x2)+(x3<x0)!=((x0==786)==(x0>=x1)))-(((x1<=x2)<(322!=977))==(47<x0)+(x3>=x2)))>(((298!=x3)>(773<=x3)!!636-x0>494+488)!!((201&&494)-(x3!=x2))+((91!!x2)!=(x3!!824)))*((((987<=x2)<=(532!!x3))>((x2>x0)<=(293!=818)))>=(352<=364!!x2>=x3)-((243-x2)+(590!=x2))))<=((((675<91&&x2<=613)>((x1!!x1)>=(x3>834)))<(((x1<932)==(x2!!918))>=(16==330)-(946<=x2)))<=(((x2!!519)*(345!!x0)&&(761>x0)>x2-503)<((x0+x2)+(x1!!x2)<=(338<586)*(325<=38))))*((((272!=x0)==(83<x1))*(968>x1&&112<=74)&&((745<x2)>x3+67&&(364>=550)==(578<x2)))==((x2!!x0)+(601>961)&&((x2!!718)&&395<x1))*(((x0>=577)-(796-x3))*((277&&x1)>=(x2!=x3)))));
write (y)