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钱币兑换问题

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 18757 Accepted Submission(s): 11165

Problem Description

在一个国家仅有1分，2分，3分硬币，将钱N兑换成硬币有很多种兑法。请你编程序计算出共有多少种兑法。

Input

每行只有一个正整数N，N小于32768。

Output

对应每个输入，输出兑换方法数。

Sample Input

2934
12553

Sample Output

718831
13137761

Author

SmallBeer(CML)

Source

杭电ACM集训队训练赛（VII）

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