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#17030. FILIP

统计

Mirko 有一个弟弟叫 Filip,他刚开始上学,在认识数字方面有些困难。为了帮助他掌握数的大小关系,老师写下了两个三位数。她让 Filip 比较这两个数,但 Filip 并不是像通常那样把最左边的数位作为最高位,而是反过来,将最右边的数位作为最高位来理解。然后,他需要告诉老师这两个数中较大的那一个。

请编写一个程序来验证 Filip 的答案。

输入格式

输入的第一行也是唯一的一行包含两个三位数 $A$ 和 $B$。$A$ 和 $B$ 不相等,且不包含任何数字 $0$。

输出格式

输出的第一行也是唯一的一行应当包含输入中按题目描述比较后较大的那个数。该数字应当以反转后的形式输出,以便向 Filip 展示他应该如何阅读它。

样例

输入样例 1

734 893

输出样例 1

437

输入样例 2

221 231

输出样例 2

132

输入样例 3

839 237

输出样例 3

938

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