#include <cstdio>
#include <algorithm>
#include <vector>

using namespace std;

int main()
{
  freopen("sdo.in", "r", stdin);
  freopen("sdo.out", "w", stdout);
  
  int N, K;
  scanf("%d%d", &N, &K);

  vector<int> v(N);
  for (int i = 0; i < N; ++i)
    scanf("%d", &v[i]);

  nth_element(v.begin(), v.begin() + K - 1, v.end());

  printf("%d\n", v[K - 1]);
  
  return 0;
}