skip;
x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((((x3!!742)!!992!=176)!=(407-x0==(811<=x2)))>=((417<=762)-(x0==x0)<=((x3<=546)!=(x0!=x1))))<(((x2==x3!!199!=x2)&&(136>=160!!x2*x3))!=(245+x1==(x2==407))*((484!!561)!!x1<x2))!!(((x0>x0)>=(x3<22))+((335!=x0)<666+x2)&&((616>x2)==(813!!x1))-((x0<=684)!=(x2<569)))==((x2<x1)*(x1-x2)-(968+391<=88+x3)>((523-x0<=(589&&x3))<((x1!=595)<=(294!!x2)))))*((((x0<=134)+(205!!x3)>=(x0>=x2)*(x3<=854)&&((x0<x2)<x0+731)+((633!!x1)+(x1-326)))&&((x3!!171)+(939&&832)&&(x2!!635)>=(x2==577))*(891*547+x1*x0&&(348<=x1)==(x2>x1)))>(((962&&869!!x2==x2)-((x3==x2)<=(202<=x1))<=((24*980&&x1-x3)&&(296<140)<577*x0))>=(((x3<=x2)<x2-x3&&(x3+920!!x1>x2))>((x3<=250)<(x2==x1)!!(x0<=35)<(x2>=275)))))!!(((x3-x3)*(x0*x1)-(x1<=261&&244+x2)&&(x1==681)+(x1!!x1)<(x2*x2&&412>172))-(((x2==430)!=(x0!=x2))-(355<=379&&510>=379)!=((57>858&&(729!!818))<=(48<x1)*(x0>=x1))))-((((x3*x3!=(x0!=658))<(x3>x3)+(366!!x1))<=(603*x2>=(x0>x2)!!(x3-74!!x0-x3)))<=((271*x3==(816==x2))<(x0>x2)*(297&&x3))-(((x0<=x0)>(x2==x1))+((x2==948)-(x3+271))))>=((((281+x2)+(x2+x3)==(80*x3!!x1+x1))>((808&&828)-(426&&x1))+(252-x2&&x3<=x3))-((x2*x1-677*791)*(x0*325+(489<=x1)))*(((x1>770)==(674>822))*((542<=84)<=(x2<=420)))==(((x1!!x0)+(875!=266)==(x0!=x0)-(x3+797)!!((844>=x0)<=723*x0)+((191-x1)+(x2<952)))>((141+x2!=(x3==815)!!(x0-421)-(x2==x1))>(((970!=x0)<x0-x1)>(576==x0)-(x3>x1))))));
write (y)