10 lines
225 B
Python
10 lines
225 B
Python
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D ={ i:0 for i in range(9) }
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for l in list(map(int,__import__("sys").stdin.read().split(","))):
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D[l]+=1
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for i in range(256):
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D = { i-1:D[i] for i in range(9) }
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D[6] += D[-1]
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D[8] = D[-1]
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del D[-1]
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print(sum(D.values()))
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