Uses crt;
type tinf=integer;
     uk=^rec;
     rec=record
      x:integer;
      adr:uk;
     end;
Var first, p1, p2, p3, l, q:uk;
    f:text;

procedure SOZD_SPIS ;
begin
assign(f,'dinspis.txt');
reset(f);
first:=nil;
while not seekeof(f) do begin
new(p1); read(f,p1^.x);
if first=nil then first:=p1
else p2^.adr:=p1;
p2:=p1;
end;
p2^.adr:=nil;
close(f);
end;

Procedure VIVOD(t:string) ;
begin
writeln(t);
p1:=first;
while p1<>nil do begin
write (p1^.x, ' ');
p1:=p1^.adr;
end;
writeln;
end;

procedure AddElem(var spis1:uk;znach1:tinf);
var
  p,t:uk;
begin
  new(t);
  t^.x := znach1;
  p:=spis1;
  if (p = nil) or (p^.adr = nil) then
  begin
    t^.adr:=spis1;
    spis1:=t;
  end
  else
  begin
    while p^.adr^.adr <> nil do p:=p^.adr;
    t^.adr := p^.adr;
    p^.adr := t;
  end;
end;

Begin
SOZD_SPIS;
VIVOD('исходн');
  l:=nil;
  addelem(l, 1);
  q:=l;
  while q<>nil do
  begin
    write(q^.x:4);
    q:=q^.adr;
  end;
  writeln;
  readln;
VIVOD('после вставки');
readkey;
End.