#include<bits/stdc++.h>
#define ll long long
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
unsigned int v[4000001];
int n, k;
unsigned int x;
int main()
{
    f>>n>>k;
    for(int i=1; i<=n; i++)
        {
            f>>v[i];
        }
    nth_element(v+1, v+k, v+n+1);
    g<<v[k];
    return 0;
}