import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = Integer.parseInt(sc.next()); n Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int k = Integer.parseInt(sc.next()); k Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int[] p = new int[n]; p new int[n] n for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
            p[i] = Integer.parseInt(sc.next());
        } {
            p[i] = Integer.parseInt(sc.next());
        } p[i] = Integer.parseInt(sc.next()) p[i] p i Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc Arrays.sort(p) Arrays.sort Arrays p int sum = 0; sum 0 for(int i=0; i<k; i++) {
            sum += p[i];
        } int i=0; int i=0; i 0 i<k i k i++ i++ i {
            sum += p[i];
        } {
            sum += p[i];
        } sum += p[i] sum p[i] p i System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.next());
        int k = Integer.parseInt(sc.next());
        int[] p = new int[n];
        for(int i=0; i<n; i++) {
            p[i] = Integer.parseInt(sc.next());
        }
        
        Arrays.sort(p);
        
        int sum = 0;
        for(int i=0; i<k; i++) {
            sum += p[i];
        }
        
        System.out.println(sum);
    }
}
