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#!/usr/bin/env python3
import re
from fileinput import input
s = "\n".join(input())
silver = sum(int(x) * int(y) for x, y in re.findall(r"mul\((\d{1,3}),(\d{1,3})\)", s))
gold = 0
active = True
for g in re.findall(r"(?:mul\((\d{1,3}),(\d{1,3})\))|(don't\(\))|(do\(\))", s):
match g, active:
case (x, y, "", ""), True:
gold += int(x) * int(y)
case (_, _, "don't()", _), _:
active = False
case (_, _, _, "do()"), _:
active = True
print("silver:", silver)
print("gold:", gold)
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