<b><span style="font-family:宋体;">问题描述：</span><span></span></b>

<span style="font-family:宋体;">任意给出一个正整数</span><span>N</span><span style="font-family:宋体;">，找一个正整数</span><span>M</span><span style="font-family:宋体;">，使得</span><span>N</span><span style="font-family:宋体;">×</span><span>M</span><span style="font-family:宋体;">的值的各位数字全部由数字</span><span>0</span><span style="font-family:宋体;">和</span><span>1</span><span style="font-family:宋体;">组成，请找出满足条件的最小的</span><span>M</span><span style="font-family:宋体;">。如果</span><span>N</span><span style="font-family:宋体;">×</span><span>M</span><span style="font-family:宋体;">的值大于</span><span>2000000000</span><span style="font-family:宋体;">还没有找到满足条件的</span><span>M</span><span style="font-family:宋体;">就输出“</span><span>No found</span><span style="font-family:宋体;">”。</span>

<b><span style="font-family:宋体;">输入输出样例：</span></b>

<span style="font-family:宋体;">输入：</span><span>4</span>

<span style="font-family:宋体;">输出：</span><span>25</span>