题解 | #明明的随机数#

# https://blog.nowcoder.net/n/4000a89fe0ab47509237e8a51de1ba61?f=comment
def call_input():
    # 输入一个整数
    string = input()
    if string.isdigit():
        return int(string)
    else:
        print('error')


def HJ3(int1):
    lst = []
    for i in range(int1):
        lst.append(call_input())
    lst.sort()
    set_lst = set(lst)
    lst_set = list(set_lst)
    lst_set.sort()
    for i in lst_set:
        print(i)


# 测试
HJ3(call_input())