9 lines
254 B
Plaintext
9 lines
254 B
Plaintext
first_input = input().rstrip().split()
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n = int(first_input[0])
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m = int(first_input[1])
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matrix = [input() for _ in range(n)]
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result = ' '.join(''.join(c * (c.isalnum() or ' ' == c) for c in matrix[i]) for i in range(m)).replace(' ', ' ')
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print(result)
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