#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fi("sdo.in");
ofstream fo("sdo.out");
int main() {
    int N, K;
    fi>>N>>K;
    vector<int> v(N);
    for(register int i = 0; i < N; ++ i)
        fi>>v[i];
    nth_element(v.begin(), v.begin() + K - 1, v.end());
    fo<<v[K - 1]<<endl;
    return 0;
}