#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;
}