C++ :

#include<cstring>
#include<stack>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<cstdlib>
using namespace std;
int main()
{
long long  n;cin>>n;int k;cin>>k;
long long   a[n+1];for(int o=1;o<=n;o++)cin>>a[o];
sort(a+1,a+n+1);
for(long long   r=1;r<=k;r++)cout<<a[r]<<" ";
}