#include <stdio.h>
#include <vector>
#include <algorithm>

using namespace std;

vector<int> v;

int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);

    int n, k, nr, i;
    scanf("%d%d", &n, &k);
    for(i=0;i<n;i++){
        scanf("%d", &nr);
        v.push_back(nr);
    }

    nth_element(v.begin(), v.begin()+k-1, v.end());
    printf("%d", v[k-1]);

    return 0;
}