题解 | #明明的随机数#

import sys

input = sys.stdin.read()
date = input.splitlines()
N  = int(date[0])
date1 = set()

for i in range(1,N+1):
    num = date[i]
    date1.add(num)

sort_date1 = sorted(date1,key=int)

for num in sort_date1:
    print(num)