import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	}

} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	}

} Main public static void main(String[] args) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	} main {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	} Scanner in =new Scanner(System.in); in new Scanner(System.in) int n=in.nextInt() n in.nextInt() in.nextInt in k=in.nextInt(); k in.nextInt() in.nextInt in int[] a = new int[n]; a new int[n] n for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		} int i = 0; int i = 0; i 0 i<n i n i++ i++ i {
				a[i] = in.nextInt();
		} {
				a[i] = in.nextInt();
		} a[i] = in.nextInt() a[i] a i in.nextInt() in.nextInt in Arrays.sort(a) Arrays.sort Arrays a int sum = 0; sum 0 for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		} int i = 0; int i = 0; i 0 i<k i k i++ i++ i {
			sum = sum+a[i];
		} {
			sum = sum+a[i];
		} sum = sum+a[i] sum sum+a[i] sum a[i] a 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) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	}

} public class Main {

	public static void main(String[] args) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	}

} Main
import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
	
		Scanner in =new Scanner(System.in);
		int n=in.nextInt(),k=in.nextInt();
			
		int[] a = new int[n];
			
		for(int i = 0;i<n;i++) {
				a[i] = in.nextInt();
		}
		
		Arrays.sort(a);
		int sum = 0;
		for(int i = 0;i<k;i++) {
			sum = sum+a[i];
		}
		
		System.out.println(sum);
		
	}

}
