

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


public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	}
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	}
} Main public static void main (String[] args) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	} main {
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		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 = sum+arr[i];
		} int i = 0; int i = 0; i 0 i<k i k i++ i++ i {
			sum = sum+arr[i];
		} {
			sum = sum+arr[i];
		} sum = sum+arr[i] sum 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) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	}
} public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	}
} Main


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


public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		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();
		}
		Arrays.sort(arr);
		int sum = 0;
		for(int i = 0; i<k; i++)
		{
			sum = sum+arr[i];
		}
		System.out.println(sum);
	}
}
