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

public class Main{
    public static int N = 100010;
    public static int n , k;
    public static int[] a = new int[N];

    public static void quickSort(int l,int r){
        if(l >= r) return ;

        int i = l - 1;
        int j = r + 1;
        int x = a[i + j >> 1];

        while(i < j){
            do i ++;while(a[i] < x);
            do j --;while(a[j] > x);
            if(i < j){
                int tem = a[i];
                a[i] = a[j];
                a[j] = tem;
            }
        }

        quickSort(l,j);
        quickSort(j+1,r);
    }

    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        String[] line = br.readLine().split(" ");

        n = Integer.parseInt(line[0]);
        k = Integer.parseInt(line[1]);

        String[] s = br.readLine().split(" ");
        for(int i = 0;i < n;i ++) a[i] = Integer.parseInt(s[i]);
        quickSort(0,n-1);

        System.out.println(a[k-1]);
    }
}