#include <bits/stdc++.h>
 
using namespace std;
int N, K, j;
vector<int> V;
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ifstream cin("sdo.in");
    ofstream cout("sdo.out");
    cin >> N >> K;
    for(int i = 1; i <= N; i++){
        cin >> j;
        V.push_back(j); 
    }
    K--;
    nth_element(V.begin(), V.begin() + K, V.end());
    cout << V[K];
    return 0;
}