x0 := read ();
x1 := read ();
x2 := read ();
x3 := read ();
y := (((((715*x3<(204>253))==(x2==772)-(330+90))<((x1-x0)*(x3==x2)==(592*x2<(423>=3))))+((645<x1)*(x0*693)!!(x1<=21)<=(x0!=x1))*(((715==x1)==x2-x0)!=(x2<836)+(14!!x2))==((((x2==x3)!=(121<=675))==((831<=999)!=(118==912)))-(x1-718==(134!=939)!!(x2&&705)*(x1>438))==(((x0<=757)<(x1<x1))!=((x3!!x1)>=(x3<=x2))!!((x3<x2)-(x1>=x1)!!(743>=18)!=761+19))))<=((((x2+x2!!x0!=292)<(x1*18>=(x1!=108)))-((x0>=x2)*(90*x2)+((227<=50)<(x2!=611)))!!(((x0!!67)<=x2+981)<=((214<535)<(x2<505)))<((x1!!x3)-(462!=549)==(x1!!x1)-x1*x1))>=(((531&&640)-(775+x3)<=(167>=173!!x1+x3))-(((657!=x1)<(x3!!x2))-((x1>773)==x3-x3))!=((x0*968!=(148!!x0)!!(527>=939)==(310<x0))<=((x2<=x2)+(82<712)!!(x0+860)+(x1&&x2))))))!=(((((329<=x0)-x1*x1<((x2!!x0)<x0*x3))==((x2!!x1)+(355-799)!=((x3>878)<=(588>=x1))))-(((x2-x1>(x3!=x3))-(x2*466!=x0+25))-((x2!=128)*(498-593)<(x1>=x3)+(719&&359))))-((x1*x3+(816<=777)<((217!=956)!=(525<=697)))<((325>556)>(x2==469))*(509<=883&&(x3!!x1))&&((x2>x1)*(725>x0)<=((x2&&938)==(x0<=x1)))-((873>=157)*(x1*935)-((x1!=709)==(x1==x0))))<((((x0>=x3&&90<=x2)*((x0==x3)<=x3-751)<=((x0<=x3)+(x0<=x0))-((731-984)+(418!!586)))>((((x0<191)<=(x0<=940))!=((650!=610)<=(148<136)))==((x1>x3)>(x3&&x1))*(x3<x1!!286>=x2)))<=((183-x1&&189+622!!(640>=x3)>(x3<=506))>(((748<x1)==(677!=615))<=(x3!=x1&&x2>=122))!!((588!!966)!!479==x1)<(329==x2!!x2>x1)&&(726<=x2)-(748<=x0)<=((x1<=400)>x0*373))));
write (y)