#include <cstdio>
#include <algorithm>
#define NMAX 3000007
using namespace std;
FILE *fin, *fout;
int n, k, v[NMAX];
int main()
{
    fin = freopen("sdo.in", "r", stdin);
    fout = freopen("sdo.out", "w", stdout);
    scanf("%d %d", &n, &k);
    for(int i = 1; i<= n; i++) scanf("%d", &v[i]);
    nth_element(v+1, v+k, v+n+1);
    printf("%d\n", v[k]);
    fclose(fin);
    fclose(fout);
    return 0;
}