skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x0<=956)*(829*147)<(x0>=x0)-(19!!977))*(((x0&&417)-(x1!!x0))+(x2-714<x3-x3))-(((79<x2)+(794-x3)<=((442==x0)<(309!!x0)))>((802<=671)+(171>=x3)&&(270<x3)!=(301!=598)))<=(((x0-23!=(103>=x2))-((764<938)>=(170>x3)))+(((437<=x2)==x0-x3)<(906-785>=(x1!=910)))<=(((x0<=x0)<864*x2)-((x1!=x2)+(x0+781))!!(x1!=x3)>303+411&&(x0&&513)==6+x0)))>((((x2!=x2)+(x2-x1)!!(x3>=x3)<(840<90))!=((770<x3)<x1*529!!(149!=x2)!=(x3&&177)))-(((x3!!142)<x2-x0!!(x1!=584!!172!=x2))&&(108!!128)-96*x0>(x0==x2!!7==484))<=((((808<933)-(469+x3))*((894!=x1)-(764>=x3))!=((x2+674<(208&&x2))>=((x2==61)>=x2*x0)))>=((((x1!!245)!=(840>x3))<=((341<x1)>=154+121))>((333<x0)>=(x3==x1)&&(904>=128)>(x2==x2))))))!=((((x2<644)!=(234!=798))*(x1-85!!x3>=822)+((533==893)!=304*383)*((x1>x2)<=(x2>=x2))<(((x0>=x3)*(x1*190)<(x0>=818!!(x2!!x3)))>(x1<=856&&741+x1)-((x0<x3)>(x0>767))))<((((x1>=x2)==x1-665)>=((x1<=x2)!=(x3>814)))!=((x1>=180)-(543-938)==((120>=x1)>=(856>648))))-(((633*283<771-x0)==(x3>x3&&791>x3))>((x0*554<(x2>=440))==((x3==x1)<(908==x3))))!!(((x1>x1)+(x2-354)&&(x1<=x0)+(629>=292)!!((437==598)>x3*x0)>=(756-x1!=(x0!!x3)))<(((126*470>=x0+446)<(708>285)+(208&&x0))==(((306<320)<(413!!x3))>=(x2+205)-(x0>987))))-((((425>=x0)<=(752==x2))+((x1<=x2)==x3*x1)&&(x3*761!=(649<=765))+((x0<x0)+(x0>x3)))>=((x0-837&&x3!=x3)+(211*127==(x1>=x2))<(((x3>=x2)>(553!=179))>(x3>=x3!!861>=342)))));
write (y)