read (x0);
read (x1);
read (x2);
read (x3);
y := (((((x1<990)!=414+495)<((318<776)>(x2<x3)))>=((546!!146)>=(474>335))-(x1<x0&&x0+x0))*(((458==x1)==(x0>601)!!(x3&&x1)-(x0>506))<((x3==x3)*(x2>=334)<=(x0<x3)-(x2!!866)))+(((((981==204)<=(457>=x1))<=((794!!418)!!350&&473))<=((548!!x0)!!x0>=450)+((x0&&x1)+(x1>=690)))>(((280>=x2)<(x3&&906))!=(506&&868)-(x1<552))-(((609==956)<(727>=778))==((733>66)>(950<x1))))==((((959>=957)+(x1>=x3)&&(x3>985)<(366>=955))*((x1==565!!141==x2)>=(x3*514)*(223<x0))&&((x3<829&&516==x1)&&151*458-(x0+x2))+((x0>504&&x0==597)<(778>=95!!117*741)))!=((((x3<866)-x0*x1!=(337*620<=(209!!x3)))!=((x2!=214)>(132&&803)&&618+x1<=(x3&&x1)))<=(((x1>=727)>(x2!!479)!!(236>x3)*(641>=x1))<=(x1*x2<(x3&&x1))-((626!=x3)-(899==940))))))-((((x3<=163&&675>755!!(x3>x0)<(474<=274))>=((111&&437)==(408>=398)&&(490!!x2)*(x2&&113)))<=((701+316)+(480<x2)==(x1+x3)-(x2+597))*((557==976&&x3<352)!=(888-x2==(185>=x0))))*(((45!=x0)*(555!=x0)!=(x0-264>(x3&&211)))>((562&&88)<x2-x2!!x2*x3<(761&&536))&&((x2+x1)-(66==115)>((x1<=370)>=(643!!151)))>((x2>=x3&&163<=282)>=((x0==217)!=x3+525)))<(((828*x0!!x2<=x2)*((x1!!x3)==x2-311)>=(((85==777)<=(x0>x1))<=((x3!=216)<=(907>=x0)))!!((x0&&413)&&(x0&&244))*((x0==661)<(x3>=x3))>((179-229<=(x0<=x1))<=(177<x2)-(x2>327)))==((((x3<=631)>=592+x0)!=(x0<=100)-(398<x1))<((451-x2!!(x0!!x1))>=((x0&&527)>(x1==743)))&&((754>=732)>(733>=x2)&&(669>x2)>(x1<x0))>((x1!!35)-(30!!x1))*((367&&x0)&&639*212))));
write (y)