26 lines
331 B
Python
26 lines
331 B
Python
maxx = 99
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a = [1] * maxx
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for i in xrange(1, maxx, 3):
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a[i] = ((i - 1) / 3 + 1) * 2
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a.reverse()
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x = [0, 1]
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n = 0
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for i in a:
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x[n % 2] += i * x[(n + 1) % 2]
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n += 1
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x[n % 2] += 2 * x[(n + 1) % 2]
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def sum(x):
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out = 0
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while x != 0:
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out += x %10
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x /= 10
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return out
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print sum(x[n % 2])
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