#include <fstream>
#include <cstdio>
#include <algorithm>
#define NM 3000005

using namespace std;

int n,k,i,v[NM];

int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);
    scanf("%d %d", &n, &k);
    for (i=1; i<=n; i++)
      scanf("%d ", &v[i]);
    sort(v+1, v+n+1);
    printf("%d\n", v[k]);
    return 0;
}