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import re
N = int(input())
for _ in range(N):
inp = input()
m = re.search(r"^#[A-Fa-f0-9]*", inp)
if not m:
t = re.findall(r"#[A-Fa-f0-9]{6}|#[A-Fa-f0-9]{3}", inp)
if t!=[]:
print(*t, sep="\n")
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import re N = int(input()) for _ in range(N): inp = input() m = re.search(r"^#[A-Fa-f0-9]*", inp) if not m: t = re.findall(r"#[A-Fa-f0-9]{6}|#[A-Fa-f0-9]{3}", inp) if t!=[]: print(*t, sep="\n")