program P1141;

var n:string;

m:integer;

code:integer;

x:integer;

begin

read(n);

n:=copy(n,length(n)-1,2);

val(n,m,code);

x:=m mod 4;

begin

if (x=1) or (x=2) then write(1)

else if (x=0) or (x=3) then write(0);

end;

end.