import java.util.*;
class Main{
 public static void main(String[]  args){
  Scanner sc = new Scanner(System.in);
  int n = sc.nextInt();
   int k = sc.nextInt();
   int a[] = new int[n];
   for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   }
   Arrays.sort(a);
   int sum=0;
   int j=0;
   while(k-->0){
     sum+=a[j];
     j++;
   }
   System.out.println(sum);
   
   
 }
  
  
  
} import java.util.*; util.* java class Main{
 public static void main(String[]  args){
  Scanner sc = new Scanner(System.in);
  int n = sc.nextInt();
   int k = sc.nextInt();
   int a[] = new int[n];
   for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   }
   Arrays.sort(a);
   int sum=0;
   int j=0;
   while(k-->0){
     sum+=a[j];
     j++;
   }
   System.out.println(sum);
   
   
 }
  
  
  
} Main public static void main(String[]  args){
  Scanner sc = new Scanner(System.in);
  int n = sc.nextInt();
   int k = sc.nextInt();
   int a[] = new int[n];
   for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   }
   Arrays.sort(a);
   int sum=0;
   int j=0;
   while(k-->0){
     sum+=a[j];
     j++;
   }
   System.out.println(sum);
   
   
 } main {
  Scanner sc = new Scanner(System.in);
  int n = sc.nextInt();
   int k = sc.nextInt();
   int a[] = new int[n];
   for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   }
   Arrays.sort(a);
   int sum=0;
   int j=0;
   while(k-->0){
     sum+=a[j];
     j++;
   }
   System.out.println(sum);
   
   
 } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int k = sc.nextInt(); k sc.nextInt() sc.nextInt sc int a[] = new int[n]; a new int[n] n for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   } int i=0; int i=0; i 0 i<n i n i++ i++ i {
    a[i]=sc.nextInt(); 
   } {
    a[i]=sc.nextInt(); 
   } a[i]=sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc Arrays.sort(a) Arrays.sort Arrays a int sum=0; sum 0 int j=0; j 0 while(k-->0){
     sum+=a[j];
     j++;
   } k-->0 k-- k 0 {
     sum+=a[j];
     j++;
   } sum+=a[j] sum a[j] a j j++ j System.out.println(sum) System.out.println System.out System System.out sum String[]  args args
import java.util.*;
class Main{
 public static void main(String[]  args){
  Scanner sc = new Scanner(System.in);
  int n = sc.nextInt();
   int k = sc.nextInt();
   int a[] = new int[n];
   for(int i=0;i<n;i++){
    a[i]=sc.nextInt(); 
   }
   Arrays.sort(a);
   int sum=0;
   int j=0;
   while(k-->0){
     sum+=a[j];
     j++;
   }
   System.out.println(sum);
   
   
 }
  
  
  
}