#include <bits/stdc++.h>

using namespace std;

ifstream f("sdo.in");
ofstream g("sdo.out");

unsigned v[3000002];

long long quick(int st, int dr)
{
    int i = st, j = dr, mid = v[(st + dr) / 2];

    do
    {
        while(mid > v[i])
            i++;

        while(mid < v[j])
            j--;

        if(i <= j)
        {
            swap(v[i], v[j]);
            i++;
            j--;
        }

    }while(i <= j);

    if(st < j)
        quick(st, j);

    if(dr > i)
        quick(i, dr);
}

int main()
{

    int n, m;

    f >> n >> m;

    for(int i = 1; i <= n; i++)
    {
        f >> v[i];
    }

    quick(1, n);

    g << v[m];

    return 0;
}