a = input().split(' ')
n = int(a[0])
m = int(a[1])
t = [0] * (n + 1)
k = input().split(' ')
for i in k:
    t[int(i)] += 1
for i in range(1, n + 1):
    if t[i] != 0:
        for j in range(0, t[i]):
            print(i, end=' ')

后面两个点超时