题解 | #明明的随机数#

import sys
import random

n = int(input())
vals = []
vals_unique = []

for i in range(n):
    val = int(input())
    vals.append(val)


for val in vals:
    if val not in vals_unique:
        vals_unique.append(val)
#也可使用集合去重
#vals_unique=list(set(vals))

result_list = sorted(vals_unique)
for result in result_list:
    print(result)