Какой вклад внесла паутина в нашу жизнь​

{1}

var
  a,k,s: integer;
begin
  read(a);
  k := 0; s := 0;
  while a mod 2 <> 0 do
    begin
    if abs(a) mod 10 > 5 then
      s := s + a;
    a := abs(a);
    if (a > 9) and (a < 100) then
      k := k + 1;
    read(a);
    end;
  writeln('k=',k,', s=',s)
end.

{2}

var
  n,i,p,a: integer;
begin
  read(n);
  p := 1;
  for i := 1 to n do
    begin
    read(a);
    if (a > 0) and (a mod 3 = 0) then
      p := p * a;
    end;
  writeln('p=',p)
end.

{3}

var
  n,a,i,k,s: integer;
begin
  read(n);
  k := 0; s := 0;
  for i := 1 to n do
    begin
    read(a);
    if a > 0 then
      begin
      s := s + a;
      k := k + 1;
      end;
    end;
  if k = 0 then k := 1;
  writeln('s=',s/k)
end.

Program Project1;

var m:array of integer; n, i, summ:integer;

begin
  repeat
    write('n: '); readln(n);
    SetLength(m, Length(m)+1);
    m[Length(m)-1]:=n;
  until n=0;
  SetLength(m, Length(m)-1);

  n:=0; summ:=0;
  for i:=0 to Length(m)-1 do begin
    if m[i]>12 then begin
      inc(n);
      inc(summ, m[i]);
    end;
  end;

  Writeln('Result:=', summ/n);

  readln;
end.

2)

program Project1;

var n, t, res: integer;

begin
  write('N:=');readln(n);
  res:=1;
  while n>0 do begin
    t:=(n mod 10);
    if t<4 then res:=res*t;
    n:=n div 10;
  end;

  writeln('Result:=', res);

  readln;
end.