#include <cstdio>
#include <algorithm>
#define MAXN 3000000

using namespace std;

int v[MAXN];

int main()
{
    FILE *fin, *fout;
    int n, k, i;
    fin=fopen("sdo.in", "r");
    fscanf(fin, "%d%d", &n, &k);
    for(i=0; i<n; i++)
      fscanf(fin, "%d", &v[i]);
    fclose(fin);
    nth_element(v, v+k-1, v+n);
    fout=fopen("sdo.out", "w");
    fprintf(fout, "%d\n", v[k-1]);
    fclose(fout);
    return 0;
}