var
s:string;
i,j,k:integer;
begin
k:=0;
while not eof do
begin
readln(s);
j:=length(s);
for i:=1 to  j do if s[i]='"' then begin inc(k);if odd(k) then write('``')  else write(chr(39),chr(39)); end
                              else write(s[i]);
writeln;
end;
end.