ZGODAN - Problème

#16383. ZGODAN

Statistiques

AI Translation — This statement was translated using AI and may contain inaccuracies. Please refer to the original statement if in doubt.

如果一个整数的任意两个相邻数字的奇偶性都不同，则该整数被称为“帅气数”（handsome number）。对于给定的整数 $N$，求与其最接近的帅气数。

请注意：仅由一位数字组成的数字也是帅气数。两个数字之间的距离是它们差的绝对值。

输入格式

输入仅包含一行，为一个正整数 $N$，它最多包含 $1000$ 位数字，且它不是一个帅气数。

输出格式

输出仅包含一行，为所求的与 $N$ 最接近的帅气数。如果存在两个最接近的数，则先输出较小的数，再输出较大的数，中间用一个空格隔开。

子任务

在价值 $56$ 分的测试数据中，满足 $N < 10^9$。

样例

输入样例 1

输出样例 1

12 14

输入样例 2

输出样例 2

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