计算一个字符串重复的次数的一个算法的问题的求解，怎么利用C程序的编写的技术去实现呢？

Problem Description
No matter you know me or not. Bless you happy in 2009.

Input
The input contains multiple test cases.
Each test case included one string. There are made up of ‘a’-‘z’ or blank. The length of string will not large than 10000.

Output
For each test case tell me how many times “happy” can be constructed by using the string. Forbid to change the position of the characters in the string. The answer will small than 1000.

Sample Input
hopppayppy happy
happ acm y
hahappyppy

Sample Output
2
1
2