import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Main {
	public static void main(String[] args) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	}
} import java.io.*; io.* java import java.util.*; util.* java import java.text.*; text.* java import java.math.*; math.* java import java.util.regex.*; regex.* java.util public class Main {
	public static void main(String[] args) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	}
} Main public static void main(String[] args) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	} main {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		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[] arr = new int[n]; arr new int[n] n for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			arr[i] = sc.nextInt();
		} {
			arr[i] = sc.nextInt();
		} arr[i] = sc.nextInt() arr[i] arr i sc.nextInt() sc.nextInt sc Arrays.sort(arr) Arrays.sort Arrays arr int sum = 0; sum 0 for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		} int i=0; int i=0; i 0 i<k i k i++ i++ i {
			sum += arr[i];
			//System.out.println(arr[0]);
		} {
			sum += arr[i];
			//System.out.println(arr[0]);
		} sum += arr[i] sum arr[i] arr 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) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	}
} public class Main {
	public static void main(String[] args) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	}
} Main
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Main {
	public static void main(String[] args) {
		// code to read values
		// code to call required method
		// code to display the result
		// System.out.println(Math.ceil(2.5));
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] arr = new int[n];
		for(int i=0; i<n; i++){
			arr[i] = sc.nextInt();
		}
		//System.out.println(arr[0]);
		
		Arrays.sort(arr);
		//System.out.println(arr[0]);
		int sum = 0;
		for(int i=0; i<k; i++){
			sum += arr[i];
			//System.out.println(arr[0]);
		}
		System.out.println(sum);
	}
}