Что является расширением файла DOC-UMTXT

Program Project1;

var m:array [0..14] of integer; i:integer;

function IsPositive(a:integer):boolean;
begin
  result:=(a>-1);
end;

procedure work;
var min, max, count:integer;
begin
  count:=0;
  min:=m[0];
  max:=0;
  for i:=0 to 14 do begin
    if IsPositive(m[i]) then begin
      inc(count);
      if m[i]>max then max:=m[i];
      if m[i]<min then min:=m[i];
    end;
  end;
  writeln('MAX: ', max);
  writeln('MIN: ', min);
  writeln('Count: ', count);
end;

begin
  for i:=0 to 14 do begin
    write('n: ');
    readln(m[i]);
  end;

  work;

  readln;
end.

[l,r,строка,номер]
[0, 0, "a", 1]
[1, 1, "b", 2]
[1, 2, "bb", 3]
[2, 2, "b", 4]
[0, 3, "abba", 5]
[3, 3, "a", 6]
[3, 4, "aa", 7]
[4, 4, "a", 8]
[3, 5, "aaa", 9]
[4, 5, "aa", 10]
[5, 5, "a", 11]
[3, 6, "", 12]
[4, 6, "aaa", 13]
[5, 6, "aa", 14]
[6, 6, "a", 15]
[2, 7, "bb", 16]
[7, 7, "b", 17]
[6, 8, "aba", 18]
[8, 8, "a", 19]
[7, 9, "bab", 20]
[9, 9, "b", 21]

#код программы Ruby 22
s = "abbbab"
n = 0
for r in 0..s.size-1
    for l in 0..r
        t = s[l..r]
        if t.reverse == t
            n += 1
            p [l,r,t,n]
        end
    end
end