#include <iostream>
#include <stdio.h>
#include <algorithm>

using namespace std;

FILE *f=fopen("sdo.in","r");
FILE *g=fopen("sdo.out","w");

int a[3000000],i,k,x,n;

int main()
{
    fscanf(f,"%d%d",&n,&k);
    for (i=1;i<=n;i++)
      fscanf(f,"%d",&a[i]);
     nth_element(a+1,a+k,a+n+1);
    fprintf(g,"%d",a[k]);
    return 0;
}