x0 := read (); x1 := read (); x2 := read (); x3 := read (); y := (((((x2>=839)-600*x0<(x0*808<=(70>=x3)))*((420!!x0)+(x3+x2)!!(519=((x1>=x1!!(x1!!742))-(x1-x3>=(x2&&x1))>(((x3==x1)!=x2-x2)!=(826+584!=(x1&&447)))))<=((x1+491>=(560!=x1))*(503*x3!=(x3!=802))-((148-20==(425>459))<=((404x0)<(x1&&592))<=((x0>=x3)>=x1+975))<((x2<=x1)-(48<486)!=(636-276==(x2(x2!=910))>(x0+x2<(760=962!!188&&x0)-(356-92<(833<=850))))*(((((40>448)>(62!=x1))!=((x0!=x1)==556+x3))!=((269&&534)-(839!=x3)!!(x2!=232)<(48!!47)))*((((176&&154)<(x3!!685))<=((613==179)>(456x0)!!(815!!x0)==(575<=x0))))!!((((474&&x1)>(x0<654)!!(91&&314)*(x1>x0))==((x1!!x2)*(x2>=616)==((x2!=879)<907+x2)))*((((26>=444)>(809(x1==x2))-(x0-x1>(x1&&x1))))&&(((x2<670)*(305>x0)!=(839+836)-(x1=122)-(551!!156))*((x2!!x3)>=x0-x1))*(((x3==x0)>=(698705)+(x1!=x2))+(628((47>=x0)*(702>x1)<(x0<990)-(185-x2))+((x0*x2==(x0>=461))>=(181-x2<(841>=740))))!=(((29&&x0)==(x1&&x3)!!(242!=875)<(446&&504))>(((367<206)<=(x2==x3))<((x3>314)>(x0>x3))))+(((x2<=329)>=(42!!382))*((37!=x0)>=(x0>x3))<((x1>x1)-(x2>132))+((127>=131)>=694*209)))); write (y)