const
namef1='f1.txt';
namef2='f2.txt';
var
f1,f2:file of char;
s:string;
b:char;
i:integer;
begin
writeln('Vvedit text:');writeln;
s:='1';
assignfile(f1,namef1);
rewrite(f1);
while(s<>'')do
begin
readln(s);
if s='' then break;
for i:=1 to length(s) do begin
write(f1,s[i]);
end;
b:=chr(13);
write(f1,b);
b:=chr(10);
write(f1,b);
end;
closefile(f1);
assignfile(f2,namef2);
assignfile(f1,namef1);
reset(f1);
rewrite(f2);
seek(f1,filesize(f1)-1);
while(filepos(f1)<>0)do begin
read(f1,b);
case(ord(b))of
13: b:=chr(10);
10: b:=chr(13);
end;
seek(f1,filepos(f1)-2);
write(f2,b);
end;
read(f1,b);
write(f2,b);
closefile(f1);
closefile(f2);
writeln;
assignfile(f2,namef2);
reset(f2);
while(not eof(f2))do begin
read(f2,b);
write(b);
end;
close(f2);
readln
end.