var
  a, b: real;

begin
  read(a, b);
  if(a = b) and (a = 5.5) then write('a=',a, '   ','b=',b) else 
  begin
    if (a <> 5.5) then a := a * 2;
    if(b <> 5.5) then b := b * 2;
    write('a=',a, '   ','b=',b);
  end;
end.