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: B5fuLcZ_KTD{w[jdMJpoHmAC1Sl}bOszV46Yir2EvRNnaX8UgFPk03GWQ9@#hIxt]qey7
Input Base: 7
Solution Base: 49
Timelimit: 3.1416 seconds

fZcfuccu * 5ccZfuL5u * fc5ZcBcL5 * 5LB5ZBLuB * 5BuccBLLB * fu5ZcfLcf *
5BuuL5L5L * fuuBcLLLZ * 5fcfBLBBB * fuZfLf555 * 55BfZB55f * 5cLBBBf5 *
L5u5ufLB * 5LZZZfuuu * cB5fLfBu * 55uLuZLcf * 5ZfBLBfBB * ffuuLLBZu *
55BLL5Z5L * Z55ccuuc * 5LLcucffB * 55LBLc5B5 * fLLfZucB5
+ fBcuZufLc