CCF python 出现次数最多的数

n = int(input())
list1 = list(map(int, input().split()))
list1.sort()
min_num = 0
for i in range(n):
    num = list1.count(list1[i])
    if num > min_num:
        min_num = num
        a = list1[i]
print(a)