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: @sa{8}oTwj7B]Qxy64EfWkbPg9l10IX2LUrYRvuF3iznOGKhCZAcp5dNDSqMHeV_#m[Jt
Input Base: 15
Solution Base: 57
Timelimit: 3.1416 seconds

sBxww * sa8T@78 * s@{T@x@ * s@j{woT * s}x8jx@ * ]Q8]@@ *
xQB]}j * s@jBxso * sa7o@{B * ]xx7xa * 7BxBQT * s}{ow@} *
j@]@@j * }s]TQ} * BB8{T] * s{{{as{ * x]]To{ * }{xow] *
8{@xx] * Q@}Tss * Tssxj7 * }]T7TB * {swjQx
+ B{Q]w]