#include <cstdio>
#include <cstdlib>
#include <vector>
#include <algorithm>
using namespace std;

vector<int> v;


int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);
    int n, i, x, pos;
    scanf("%i %i", &n, &pos);
    for(i = 0; i < n; i++)
    {
          scanf("%i", &x);
          v.push_back(x);
    }
    nth_element(v.begin(), v.begin() + pos - 1, v.end());
    printf("%i\n", v[pos - 1]);
    scanf("%i", &i);
    return 0;
}