There is an astronomical observer who observes that the situation of a planet approaching the earth is regular. As long as the number of years is divided by 10, the remainder is 5, and when divided by 3, 5, 7, and 9, there is no remainder. From AD 00 to In 2000 AD, how many times did the planet fly by?
有一位天文观察家，他观察一颗行星靠近地球的情况是有规律的，只要是年份数除以10余数是5，且被3、5、7、9除时，没有余数，从公元00年到公元2000年时，星球飞近多少次．
<result>3</result>