说明：  自守数是指一个数的平方的尾数等于该数自身的自然数。例如： 252=625 762=5776 93762=87909376 请求出200000以内的自守数
(several times refer to a few of the square by using equal to the number of its own natural number. For example : 625762 252 = = = 87909376 5776 93762 200000 out request within a few times)