program Txt2Rtf;

var
 NeedSpace: Boolean;

procedure WriteRTFHeader(var f: Text);
begin
 Write(f,
   '{\rtf\ansi\ansicp1251\deff0',
   '{\fonttbl{\f0\fmodern\charset204 Courier New;}}'
 );
end;

procedure WriteRTFFooter(var f: Text);
begin
 Write(f, '}');
end;

function WriteRTF(var f: Text; c: Char): String;

procedure WriteKeyword(const Keyword: String);
begin
 Write(f, '\', Keyword);
 NeedSpace := True;
end;

const
 Hex: array[0..15] of Char = '0123456789abcdef';
begin
 case c of
 #10:
   begin
     WriteKeyword('line');
     Exit;
   end;
 #9:
   begin
     WriteKeyword('tab');
     Exit;
   end;
 '\', '{', '}':
   Write(f, '\', c);
 else
   if c > #127 then
     Write(f, '\''', Hex[Ord(c) shr 4], Hex[Ord(c) and $F])
   else
     begin
       if NeedSpace then Write(f, ' ');
       if c < ' ' then
         Write(f, '?')
       else
         Write(f, c);
     end;
 end;
 NeedSpace := False;
end;

var
 fi, fo: Text;
 c: Char;

begin
 if ParamCount <> 2 then
   begin
     Writeln('Usage: txt2rtf <input.txt> <output.rtf>');
     Halt(1);
   end;

 Assign(fi, ParamStr(1));
 Reset(fi);
 Assign(fo, ParamStr(2));
 Rewrite(fo);

 NeedSpace := False;
 WriteRTFHeader(fo);
 while not Eof(fi) do
   begin
     Read(fi, c);
     if c <> #13 then WriteRTF(fo, c);
   end;
 WriteRTFFooter(fo);

 Close(fo);
 Close(fi);
end.