#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned ll
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int v[3000005];
int n, k;
int main()
{
    fin >> n >> k;
    for (int i = 0; i < n; ++i)
        fin >> v[i];

    nth_element(v,v+k-1,v+n);
    fout<<v[k-1];

    return 0;
}