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@@ -0,0 +1,24 @@
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+#!/usr/bin/env python
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+from itertools import permutations
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+
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+def num(digits):
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+ return int(''.join(map(str, digits)))
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+
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+N = 9
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+lens = [(mc, mp, N - mc - mp)
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+ for mc in range(1, N - 1)
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+ for mp in range(1, N - mc)]
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+mem = {}
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+s = 0
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+
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+for seq in permutations(range(1, N + 1)):
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+ for mcl, mpl, prl in lens:
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+ mc = num(seq[:mcl])
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+ mp = num(seq[mcl:mcl + mpl])
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+ pr = num(seq[mcl + mpl:])
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+
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+ if mc * mp == pr and pr not in mem:
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+ mem[pr] = 1
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+ s += pr
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+
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+print s
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