skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((x3!!x2)>=(202&&x0)&&((x1!!x1)!!939&&x0)!!((x0<x1)>=(x2==864))<((21>=11)<(x1>=x0)))!=(((978&&x1)<=(x3<=756))>(x3==85)+100*220!!((x1>=x1)==x3+x3)>(x1!=x1)+(x1==766)))<=((((873<572)*(511-29)!!(483==85)!=(x2>722))!=(((x3&&x3)<(x1>=5))>=(x0*x3!!x3+x1)))==((x3-x0)-908*x1!!24>x3&&594>=x3)*(((x3==756)==(x1==x0))-(744*x2!!x1+x3))))+((((x1>x2)<=(x1<825))+((110-418)+(245+465))>=(x3!=874!!(349!!x3))+(376>=x1!!875==278))*(((576!!470)&&723>908)-(x0>816!!x0*x2)>((x2-x3==829*x1)<=((x0!=73)<x0*x3)))!!((x3*x3-(888-x1)!=(x1<=771)+x1*331)!=(422<112!!x3*736)*((553&&x1)<(540&&705)))==((x2+404!=(x0!!x1)&&(377&&840)-(x3!=x2))==((123*x3!!(x3!!774))>=((297<967)<(x1!=x1)))))>=(((((x1!=x0)>(866!!363))<((74==x2)==(x3&&812))!!(278*x0)*(941<757)==(x3==318!!x1&&723))<=(((x1==x3)>905*970)>(x2!=966!!x0!=346)!!((840!=x2)!=(x2!!x0))+(226&&743!!728!=238)))==((((975<335)-(965>=x2))-((x0>674)<(x1!=720)))*(((x1!!67)&&x1>474)!=(689<981)*(x3>x2))!=(((x2>=947)>(951>=499))+(712*230<=(x0&&250))<((x2<x2)-(x2&&x2)>((x2&&x0)>(x0==487)))))!!((((788&&523)>=x0-x2)-((761>x0)<(807&&x0)))+(((343&&43)<(x2==x2))>=(675==x0)*(143-233)))+((((x2&&x3)==(x3==x1))==(79+969!!x2-477))<=(((399==729)<(0&&x3))!=((826>461)>=(x3>=x0))))!=((((x1!=75)>(425&&880)!!(542>=x0)==(476>=264))!!(363!!x1)==(681&&x1)&&(316<328&&(x3!!x0)))>(((x1!=365)!=(218>=x1))<=((x2!!x3)!=x1*943))-((648>x3)*(982>=200)!=(x2>x3)+(x2+x1))));
write (y)