$0 = N + 1
$1 = N
while $1 < $0
    $0 = $1
    $2 = $1 * $1
    $3 = N * N
    $4 = $1 * 2
    $5 = N * K
    $6 = $2 + $3
    $7 = $4 + $5
    $1 = $6 / $7
end
$0 = $0 + N
return $0