#include <bits/stdc++.h> //JuniorMonster a.k.a Sho10
#define ll long long int
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio();cin.tie();cout.tie();
using namespace std;
ll n,k,a[3000005];
int32_t main(){
    CODE_START;
    ifstream cin("sdo.in");
    ofstream cout("sdo.out");
    cin>>n>>k;
    for(ll i=0;i<n;i++)
        cin>>a[i];
    nth_element(a,a+k-1,a+n);
    cout<<a[k-1]<<endl;
}