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- #!/usr/bin/env python3
- import sys
- def count_safe(first, nrows):
- row = [False] + [c == '^' for c in first] + [False]
- safe = len(row) - sum(row) - 2
- for step in range(nrows - 1):
- row[1:-1] = (row[i - 1] != row[i + 1] for i in range(1, len(row) - 1))
- safe += len(row) - sum(row) - 2
- return safe
- first = sys.stdin.readline().rstrip()
- print(count_safe(first, 40))
- print(count_safe(first, 400000))
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