{Винарский Евгений 10_7}
program t_10_7(input,output);
const n=6;
      s='      ';
var a: packed array [1..6] of char; c: char; i: integer;
begin
read(c);
a:=s;
i:=1;
s[i]:=c;
while(c<>'.') do
  begin
    s[i]:=c;
    i:=i+1;
    read(c);
  end;
for i:=1 to 6 do
  write(s[i]);
end.