#include <cstdio>
#include <algorithm>
#define DIM 8192
using namespace std;
int n,k,pz,x,V[1000009];
char ax[DIM+16];
inline void cit(int &x)
{
    x = 0;
    while(ax[pz] < '0' || ax[pz] > '9')
        if(++pz == DIM) fread(ax, 1, DIM, stdin), pz = 0;
    while(ax[pz] >= '0' && ax[pz] <= '9')
    {
        x = x*10 + ax[pz]-'0';
        if(++pz == DIM) fread(ax, 1, DIM, stdin), pz = 0;
    }
}
int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);
    cit(n);
    cit(k);
    for(int i=1; i<=n; i++) cit(V[i]);
    nth_element(V+1, V+k, V+1+n);
    printf("%d\n", V[k]);
    return 0;
}