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#!/usr/bin/env python3
from fileinput import input
lines = [[int(b) for b in line.strip()] for line in input()]
def joltage(bs: list[int]):
d2 = max(bs[:-1])
return max(d2 * 10 + max(bs[idx + 1 :]) for idx, b in enumerate(bs[:-1]) if b == d2)
silver = sum(map(joltage, lines))
gold = 0
print("silver:", silver)
print("gold:", gold)
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