【例46.3】 素数回文数的个数
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说明
求到之间（包括），既是素数又是回文数的整数有多少个。
输入格式
一个大于且小于的整数。
输出格式
到之间的素数回文数个数。
样例
231
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
求到之间（包括），既是素数又是回文数的整数有多少个。
一个大于且小于的整数。
到之间的素数回文数个数。
231