import java.util.Arrays;
import java.util.Scanner;
publicclass Main_S3 {
publicstaticvoidmain(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
if (n >= 1){
int k = sc.nextInt();
if (k <= 200000 && k >= 0){
int[] array = newint[n];
for (int i = 0; i < n; i++){
array[i] = sc.nextInt();
}
selectMinK(array,k);
}
}
}
privatestaticvoidselectMinK(int[] array, int k) {
Arrays.sort(array);
for (int i = 0; i < k-1; i++){
System.out.print(array[i]+",");
}
System.out.print(array[k-1]);
}
}