#include <cstdio>
#include <algorithm>
#include <vector>
#define LMAX 3000005
using namespace std;
FILE *fin=fopen("sdo.in","r");
FILE *fout=fopen("sdo.out","w");
int n, k;
int a[LMAX];
int main()
{
    fscanf(fin,"%d %d",&n,&k);
    for (int i=0;i<n;++i)
    {
        fscanf(fin,"%d",&a[i]);
    }
    nth_element(a,a+k-1, a+n);
    fprintf(fout,"%d\n",a[k-1]);
    return 0;
}