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Hunan Normal University
College of Information Science and Engineering
闰年
Time Limit: 1000ms, Special Time Limit:2500ms, Memory Limit:32768KB
Total submit users: 90, Accepted users: 89
Problem 11603 : No special judgement
Problem description
  判断闰年。

Input
  输入有若干行,每行一个正整数y,y≤9999。

Output
  对每一个输入输出一行。y是闰年输出“Yes”,否则输出“No”。

Sample Input
1996
1997
Sample Output
Yes
No
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