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#include <bits/stdc++.h>
using namespace std;
const string FILENAME = "sdo";
ifstream fin(FILENAME + ".in");
ofstream fout(FILENAME + ".out");
int n, k;
int a[3000001];
int main()
{
fin >> n >> k;
for(int i = 1; i <= n; i++)
fin >> a[i];
nth_element(a + 1, a + k, a + n + 1);
fout << a[k];
fout << '\n';
fin.close();
fout.close();
return 0;
}