>For every student, Teacher Mai wants to know if the area in the charge of him is infinite.</div>
<p></p></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输入格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><div>There are multiple test cases, terminated by a line &quot;0&quot;.</div>
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<div>For each test case, the first line contains one integer n(1&