#include <cstdio>
#include <algorithm>

using namespace std;

#define Nmax 3000002

int N, K;
int v[Nmax];

void citire(){

    freopen("sdo.in", "r", stdin);

    scanf("%d %d", &N, &K);

    for(int i = 1; i <= N; ++i)
        scanf("%d", v + i);

    fclose(stdin);
}

void afis(){

    freopen("sdo.out", "w", stdout);

    printf("%d\n", v[K]);

    fclose(stdout);
}

int main(){

    citire();
    nth_element(v + 1, v + K, v + N + 1);
    afis();

    return 0;
}