var
 x,y:real;
begin
writeln ('Ââåäèòå êîîðäèíàòû òî÷êè (x,y)');
readln (x,y);
if (x=0) and (y=0) then writeln ('0')
else if (x=0) or (y=0) then writeln ('1')
else writeln ('2');
end.