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#13763. ESEJ

통계

被称为“期末考试”的末日即将降临到今年的高中毕业生头上:其中一项必考任务是用母语写一篇作文。Mirko 觉得某些政党会兑现他们关于信息化和数字化的承诺,因此他认为今年的作文将由计算机而不是人工来评分。

为了验证他的猜想,Mirko 打算写一篇不一定有任何意义,但能通过计算机基本条件自动检测的作文。如果作文满足以下条件,则可以通过检测:

  • 它包含至少 $A$ 个、至多 $B$ 个单词;
  • 每个单词包含至少 $1$ 个、至多 $15$ 个字母;
  • 使用的词汇量足够大,换句话说,作文中包含至少 $\frac{B}{2}$ 个不同的单词。

Mirko 昨晚熬夜看《老大哥》(Big Brother)节目,所以他请求你帮他写这样一篇作文。作文应该在单行中输出,只包含英文小写字母和空格(因此没有句号、逗号等标点符号)。所使用的单词可以是、也可以不是英语(或任何其他语言)中的真实单词。

输入格式

输入唯一的一行包含两个整数 $A$ 和 $B$($1 \le A \le B \le 100\,000$)。

输出格式

输出唯一的一行,包含任意一篇满足上述规则的作文。

样例

输入 1

2 7

输出 1

this shakespeare fella is good

输入 2

26 30

输出 2

the teacher told us that we did not need to read that but it was too loud to hear so can i still get points for this

输入 3

19 19

输出 3

the consequences of the conceptual discourse in the aforementioned novella seemingly reflect the paradigmatic tendencies of the stylistical classification

说明

请注意:以上每个样例输出实际上都应该在单行中输出,样例中由于排版空间不足而被折成了多行。

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