List the integers divisible by \(3\) in the inclusive interval \([n,2n]\).

Input

One non-negative integer \(n\).

The input satisfies:

• \(n >= 0\)

Output

Print the legacy heading followed by the values in increasing order.

Example

Input

1

Output

N = Cac so chia het cho 3 trong khoang N den 2N: