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: 7QRz9CAPKXHYfSq6tMp@BU1hmVnbEd{oju#3Tl58kF[xDrWLcZe_24O}0vJ]iIGwNsgay
Input Base: 31
Solution Base: 48
Timelimit: 3.1416 seconds

PPbt7 * SpA1R * 9thzb * PEdp7 * CbHQq * XYR9Q *
PKzR7 * AYE{7 * CU@mq * KSQEm * 6HtfS * K9UCK *
zUUEd * PYHpQ * KfR{ * 6mVCP * zz@Ap * SpUh7 *
H9VMf * fY9bQ * CCAQp * q6qHQ * RRAAh
+ SdAh{