1217 - 乘法运算

从键盘读入2个100以内的正整数，进行乘法运算并以竖式输出。

例如，输入：<span>89 13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>又如，输入：<span>16 8</span>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;输出：<span>&nbsp; &nbsp; &nbsp; &nbsp;89 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</span>输出：<span>&nbsp; &nbsp; &nbsp;16</span>

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<u>&nbsp;</u><u>×<span> 13 </span></u>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<u>×<span>&nbsp;&nbsp; 8 </span></u>

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; 267 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp;128

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<u>&nbsp;&nbsp;&nbsp;89&nbsp;</u>

&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;1157

<br />

输入

每个测试文件只包含一组测试数据，每组输入数据为两个100以内的正整数，之间由一个空格分隔。

输出

对于每组输入数据，输出两个整数进行乘法运算的竖式。为了简单起见，只需从上到下输出竖式里面的数即可，具体格式见样例输出。

样例

输入

89 13

输出

提示

16 8

----------

8
128

来源

NOIP全国联赛普及组 1996年NOIP全国联赛普及组

时间限制	1 秒
内存限制	125 MB

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