#include <iostream>
#include <fstream>
using namespace std;
ifstream fi("sdo.in");
ofstream fo("sdo.out");
long long v[3000001],n,k,y;

void ins(long long x) {
    long long i=1;
    while ((x>=v[i])&&(i<=k))
        i++;
    for (long long j=k;j>=i;j--)
        v[j+1]=v[j];
    v[i]=x;
}

int main()
{
    fi>>n>>k;
    for (long long i=1;i<=k;i++)
        v[i]=1000000001;
    for (long long i=1;i<=n;i++) {
        fi>>y;
        if (y<v[k])
            ins(y);
    }
    fo<<v[k];
    return 0;
}