while input = gets
$S = input.to_i
if $S <= 50
  $num = 0
  $a = 0
  begin
    if ($S - $a) <= 27
      $b = 0
      begin
        if ($S - $a - $b) <= 18
          $c = 0
          begin
            if ($S - $a - $b - $c) <= 9
              $d = 0
              begin
                if ($S - $a - $b - $c - $d) == 0
                  $num += 1
                end
                $d += 1
              end while $d <= 9
            end
            $c += 1
          end while $c <= 9
        end
        $b += 1
      end while $b <= 9
    end
    $a += 1
  end while $a <= 9

  puts $num
end
end