Lucky Number

<p class="p0" style="text-align:left;text-indent:21pt;"> <span style="font-size:10.5pt;font-family:'宋体';">小<span>D</span><span>是个有强迫症的同学，当他看到一串串数字的时候，就要算出这些数字每一位的和，如果和不能被</span><span>10</span><span>整除的话，他就会十分不舒服，所以他把这些和成为</span><span>Lucky&nbsp;Number</span><span>。例如他看到了&nbsp;</span><span>987654321&nbsp;</span><span>，这个数每一位的和是</span><span>45</span><span>，不能被</span><span>10</span><span>整除，所以他看到这个数字就很不舒服。现在给出你两个数</span><span>A</span><span>，</span><span>B</span><span>。你要在</span><span>A</span><span>到</span><span>B</span><span>的范围内找出</span><span>Lucky&nbsp;Number</span><span>的个数。</span></span><span style="font-size:10.5pt;font-family:'Calibri';"></span> </p>

<p class="p0" style="text-align:left;"> <span style="font-size:10.5pt;font-family:'宋体';">第一行有<span>T</span><span>个数（</span><span>T&lt;=1000</span><span>）</span><span>,</span><span>表示有</span><span>T</span><span>组数据</span></span><span style="font-size:10.5pt;font-family:'Calibri';"></span> </p> <p class="p0" style="text-align:left;"> <span style="font-size:10.5pt;font-family:'宋体';"></span><span style="font-size:10.5pt;font-family:'宋体';">每一行有两个整数，<span>A&nbsp;</span><span>和</span><span>B&nbsp;</span><span>（</span><span>0&nbsp;&lt;=&nbsp;A&nbsp;&lt;=&nbsp;B&nbsp;&lt;=&nbsp;10^18</span><span>）</span></span><span style="font-size:10.5pt;font-family:'Calibri';"></span> </p>

<p class="p0"> <span style="font-size:10.5pt;font-family:'宋体';">输出<span>Lucky&nbsp;Number</span><span>的个数。</span></span> </p>