#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <cmath>
#include <algorithm>
#include <cstdio>
using namespace std;
int a[5000050];
void work(int a[], int l, int r, int u)
{
if (l == r)
{
return;
}
int i = l, j = r, t, k = a[(l + r) / 2];
do
{
while (a[i] < k)i++;
while (a[j] > k)j--;
if (i <= j)
{
t = a[i];
a[i] = a[j];
a[j] = t;
i++;
j--;
}
} while (i <= j);
if (j >= u)work(a, l, j, u);
else if (i <= u)work(a, i, r, u);
else work(a, j + 1, i - 1, u);
}
int main()
{
int n, m;
cin >> n >> m;
for (int i = 0; i < n; i++)
{
cin >> a[i];
}
int l = 0, r = n - 1, u = m;
work(a, l, r, u);
cout << a[m];
return 0;
}