Your task is simple. Just compute the equation and submit the result as number in the solution-base.
Please use the provided charset for your computations.
For example, the uppercase hex charset is 0123456789ABCDEF. The charsets here are case-sensitive.
Base N means the base is using the first N chars from the charset.

Charset: DQ54Ekmw73_gyPClGXHd9zhbO@{NFS]nJ8IWZq0Kio2tjaRcvL61[TU}#sMpArfuYxBeV
Input Base: 28
Solution Base: 30
Timelimit: 3.1416 seconds

OzyE9 * 3gk5 * kdDy * N74lE * gw{@N * klHNC *
gN5Qk * h{@Gz * QCkQO * byl5@ * Q{QGN * mmwPl *
Qh5G@ * {5OyO * @{y5k * @@l{Q * klz_Q * HGhw9 *
7{mX7 * yG_@m * 7DyQE * kE44O * y5Ohb
+ G_3hz