144. Any Base to Decimal
EasyNumber Bases
Convert a number written in base b (digits 0–9, A–Z) to decimal.
Input format
A single line: s b
Output format
The decimal value.
Example 1
Input
FF 16
Output
255
Example 2
Input
1010 2
Output
10
Constraints
2 ≤ b ≤ 36 value ≤ 10¹⁸
Read input from standard input and print the answer to standard output. Your code is judged against 5 test cases, most of them hidden.
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