#include <cstdio>
#include <algorithm>
#define Nmax 3000002

using namespace std;

FILE *fin=freopen("sdo.in","r",stdin);
FILE *fout=freopen("sdo.out","w",stdout);

int n,a[Nmax],k;

int main()
{
    scanf("%d %d",&n,&k);
    for(int i=0;i<n;i++)
        scanf("%d",&a[i]);
    nth_element(a,a+k-1,a+n);
    printf("%d\n",a[k-1]);
    return 0;
}