#include <cstdio>
#include <algorithm>
#define Dim 3000002

using namespace std;
int n, i, k, v[Dim];
void read()
{
    scanf("%d %d", &n, &k);
    for(i = 1; i <= n; ++ i)
        scanf("%d", &v[i]);
}
void solve()
{
    nth_element(v+1, v+k, v+n+1);
}
void write()
{
    printf("%d\n", v[k]);
}
int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);
    read();
    solve();
    write();
    return 0;
}