34 lines
522 B
Python
34 lines
522 B
Python
inp = input()
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l = 0
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forforw = None
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forw = ''
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for i in inp:
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if i == '=':
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if forw in ('c', 's'):
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pass
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elif forw == 'z':
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if forwforw == 'd':
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l -= 1
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else:
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pass
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else:
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pass
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elif i == '-':
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if forw in ('c', 'd'):
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pass
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elif i == 'j':
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if forw == 'n' or forw == 'l':
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pass
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else:
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l += 1
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else:
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l += 1
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forwforw = forw
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forw = i
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print(l)
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