//增加条件后可以输入相同的值;
#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include<string>
#define offset 500000
using namespace std;
int a[1000001] = { 0 };
void main()
{
int n,m;
while (cin >> n>>m){
int num;
memset(a, 0, sizeof(a));
for (int i = 0; i < n; i++)
{
cin >> num;
a[num+offset]++;
}
int count = 0;
int flag = 0;
for (int i = -500000; i < 500001; i++)
{
if (a[i+offset] != 0)
{
while (a[i+offset]--)
{
cout << i ;
m--;
if (m)
cout << " ";
else {
flag = 1;
cout << endl;
break;
}
}
}
if (flag)
break;
}
}
}