#include <bits/stdc++.h>
using namespace std;
#define NMAX 3000000

int a[NMAX];
int main(void){
    ofstream cout("sdo.out");
    ifstream cin("sdo.in");
    int n, k;
    cin >> n >> k;
    for(int i = 1;i<=n;i++){
        cin >> a[i];
    }
    nth_element(a+1,a+k+1,a+n+1);
    cout << a[k];
}