#!/usr/bin/python
# -*-coding:utf-8-*-
import string
while True:
    try:
        input_a = input().split(" ")
        input_b = input().split(" ")
        num_n = int(input_a[0])
        num_k =int(input_a[1])
        list_b=[]
        for i in input_b:
            i = int(i)
            list_b.append(i)
        list_b.sort()
        #print(list_b)
        for i in range(num_k):
            print(list_b[i],end=" ")
    except:
        break