import java.util.*;
import java.io.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	}
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	} Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in))); sc new Scanner(new BufferedReader(new InputStreamReader(System.in))) int N = sc.nextInt() N sc.nextInt() sc.nextInt sc 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 ans = 0; ans 0 for (int i = 0; i < K; i++) {
			ans += A[i];
		} int i = 0; int i = 0; i 0 i < K i K i++ i++ i {
			ans += A[i];
		} {
			ans += A[i];
		} ans += A[i] ans A[i] A i System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	}
} Main
import java.util.*;
import java.io.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		int N = sc.nextInt(), K = sc.nextInt();
		int[] A = new int[N];
		for (int i = 0; i < N; i++) {
			A[i] = sc.nextInt();
		}
		Arrays.sort(A);
		int ans = 0;
		for (int i = 0; i < K; i++) {
			ans += A[i];
		}
		System.out.println(ans);
	}
}