Problems Description
<span style="font-family:宋体;font-size:12pt;">在</span><span style="font-family:'Times New Roman';font-size:12pt;">400--500</span><span style="font-family:宋体;font-size:12pt;">之间求一items数</span><span style="font-family:'Times New Roman';font-size:12pt;">,</span><span style="font-family:宋体;font-size:12pt;">它被</span><span style="font-family:'Times New Roman';font-size:12pt;">2</span><span style="font-family:宋体;font-size:12pt;">除余</span><span style="font-family:'Times New Roman';font-size:12pt;">1,</span><span style="font-family:宋体;font-size:12pt;">被</span><span style="font-family:'Times New Roman';font-size:12pt;">5</span><span style="font-family:宋体;font-size:12pt;">除余</span><span style="font-family:'Times New Roman';font-size:12pt;">3,</span><span style="font-family:宋体;font-size:12pt;">被</span><span style="font-family:'Times New Roman';font-size:12pt;">9</span><span style="font-family:宋体;font-size:12pt;">除余</span><span style="font-family:'Times New Roman';font-size:12pt;">1,</span><span style="font-family:宋体;font-size:12pt;">这items数是多少</span><span style="font-family:'Times New Roman';font-size:12pt;">?</span>
Input格式
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Output格式
一行一items整数
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