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: M@usPHSclZjrLdavpYQz0nRm9f{21wTy}73[AFgk5eBbIo68xCJUKVNq4_Whi#tGDEX]O
Input Base: 67
Solution Base: 68
Timelimit: 3.1416 seconds

soRJ * 02mP * qk_g * Bfqk * l51B * {1sJ *
nUKi * }5nr * 8IMk * ZQJl * zr1Q * Kw[l *
eNE[ * zTA5 * kLNm * @_5} * TDGd * a_Je *
PBpw * d7b_ * oKc6 * 72l6 * Fj}S
+ B{{N