第一行是一个整数n (0 < n <= 100)，表示一共有多少只动物,之后n行，每行一个数字(0代表黑羊，1代表白羊,2代表黄鼠狼，3…..)-The first line is an integer n (0 < n < = 100), said that the total number of animals, followed by n lines, each a number (0 for black sheep, a representative of Aries, 2 for weasels, 3 ... ..)