#include<cstdio>
#include<fstream>
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<bitset>
#include<deque>
#include<queue>
#include<set>
#include<map>
#include<cmath>
#include<cstring>
#include<ctime>
#include<cstdlib>

#define ll long long
#define pb push_back
#define mp make_pair
#define pii pair<int,int>
#define pll pair<ll,ll>

using namespace std;

const int nmax = 3000005;

int n, k, i, a[nmax];

int partition(int l, int r)
{
    int x = a[rand() % (r - l + 1) + l];
    int i = l - 1;
    int j = r + 1;

    for(;;)
    {
        do j--;
        while(a[j] > x);
        do i++;
        while(a[i] < x);

        if(i < j) swap(a[i], a[j]);
        else return j;
    }
}

void sdo(int l, int r, int K)
{
    if(l >= r) return;

    int x = partition(l, r);

    if(K <= x) sdo(l, x, K);
    else sdo(x + 1, r, K - x);
}

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

    srand(time(0));

    scanf("%d%d", &n, &k);

    for(i = 1; i <= n; i++)
        scanf("%d", &a[i]);

    sdo(1, n, k);

    printf("%d\n", a[k]);

    return 0;
}