Created
March 9, 2020 03:47
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| L = int(input(), 2) | |
| result = 0 | |
| for a in range(L + 1): | |
| for b in range(L + 1): | |
| if a + b > L: | |
| continue | |
| if a + b != a ^ b: | |
| continue | |
| result += 1 | |
| print(result) |
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