var y;
var x0, x1, x2, x3;

x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := ((((642+x2)*(823<x1)<=(569<=711&&x2*x0)!!((x1!!189)&&x2+546)>(548+x3!=x3-220))-(((218+x0>=866-x2)>=((x1!!743)<=(306<924)))-(x2<x0!!x1-189)*((296==x0)<=x3+509))==((x0-883!!x0&&x0)-((759&&318)<=x3+x3)>=((x2==957)<(x0<924)!!(x2-345!!(x0!!60))))-(((x1>=40)+(942&&x0)>=((x0!=x1)==(350!=x2)))==((x2!!965)!=520-x1)-(126+828!!698<x3)))<=(((((324>x2)!=(143<90))<=(x0+x1)+(548<=394))>=((x0-x3==(x0==x2))<=((25>664)!=(845!!x2)))&&((8>880)*(x3<x2)!!(306-x3)+(165>=424))<=((x1!=x3)>(x1!!x3))-((x1<=523)-x1*x0))==(((x0!=x3)*(x0*x1)<=(x3<=x2)-(114+230))+(((336>=x0)<=(x2<=x2))+(x1-x2)*(488!!628))==((810>507)*(x0+x2)==((731>x3)>=(7!=120))&&(x3>=832)+(962!=x2)!=((x2<x1)>=(640<x0))))))>(((((827+x1>x0-x0)==((414>=x0)>x1+767))!=(((x1!!x1)>214+x2)<=((498==x0)<=673*x1)))==((x3<612)+(914>=x3)<(338-x2!!x1<284)&&(x3>=266)*(x0>=x2)<(673!!x2)-(x0-257)))+((((x1!!217)<968*12&&(x0<=x2&&(81&&x3)))==(((640&&108)>(x1<x3))>=((491!=x1)<=137-367)))>((x0>=x1)-(x0>=x0)&&(x3*349&&920<471))*(((90>x0)<(578&&x1))+(107+x1>(627>x0))))<(((((x0!=259)+(x2-x3)==((393<x2)<(355&&x1)))>((377-x3)-(645==x2))+((582==190)+97*x0))<=((((77<x3)<(x0&&990))<=(615!!548)+785*x2)!=(((659<=x1)<340+x3)!=(x3>695!!394&&992))))>=(((x1<=x1)*(x1>=428)&&(x0<=x1)==(387==x3))!=((x2*593<=571-x0)<=(x3-856<(744<x3)))&&((14-x2)+(x0!=167)==(288&&110)-(33+151))<(795+862<(340!!x1))-(355+x3!=(x2==x2)))));
write (y)