void main()
{
	char str[] = "haha";
	char sl[] = "ha";

	char *p = str;
	int k = strlen(sl);

	int count = 0;
	while(p)
	{
		if(p = strstr(p,sl))
		{
			count++; p += k;
		}  
	}

	cout << count << endl;
}