Problems Description
<span style="font-size:18px;">输入一itemsseconds数，把它转换为时、points、seconds并输出。</span>
Input格式
<span style="font-size:16px;">输入一items变量n，seconds数（1<=n<=100000000)</span>
Output格式
<span style="font-size:16px;">输出三items数，时pointsseconds</span>
Sample
Sample Input 1
7300
Sample Output 1
2:1:40
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