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Erdős problem 316

Is it true that if AN{1}A \subseteq \mathbb{N}\setminus\{1\} is a finite set with nA1n<2\sum_{n \in A} \frac{1}{n} < 2 then there is a partition A=A1A2A=A_1 \sqcup A_2 such that nAi1n<1\sum_{n \in A_i} \frac{1}{n} < 1 for i=1,2i=1,2?

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