#include <bits/stdc++.h>
using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");

int v[3000001], n, k;
int main()
{
    f >> n >> k;
    for(int i = 0; i < n; ++ i){
        f >> v[i];
    }
    sort(v, v + n);
    g << v[k - 1];
    return 0;
}