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A11242 | $k-rounding$

时间限制1s

内存限制256MB

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题目描述

For a given positive integer $n$ denote its $k$ -rounding as the minimum positive integer $x$ , such that $x$ ends with $k$ or more zeros in base $10$ and is divisible by $n$ . For example, $4$ -rounding of $375$ is $375\cdot80=30000$ . $30000$ is the minimum integer such that it ends with $4$ or more zeros and is divisible by $375$ . Write a program that will perform the $k$ -rounding of $n$ .

输入格式

The only line contains two integers $n$ and $k$ ( $1<=n<=10^{9}$ , $0<=k<=8$ ).

输出格式

Print the $k$ -rounding of $n$ .

输入输出样例

输入 #1

375 4

输出 #1

输入 #2

10000 1

输出 #2

输入 #3

38101 0

输出 #3

输入 #4

123456789 8

输出 #4

12345678900000000

C++ 编辑器

输入

输出