17 lines
280 B
Python
17 lines
280 B
Python
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from math import floor
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def increaseList(lst, c,m,d):
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lst[0] += c
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lst[1] += m
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lst[2] += d
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return lst
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n = int(input())
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c,m,d = (0,0,0)
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for i in range(n):
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cmd = [1 if x == "J" else 0 for x in input().split() ]
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c,m,d = increaseList(cmd, c,m,d)
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print(floor((c+m+d)/3))
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