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#include <iostream>
#include <fstream>
#include <ctime>
using namespace std;
ifstream f("sdo.in",ios::in);
ofstream g("sdo.out",ios::out);
int v[3000005],n,k;
int partition(int*v,int st,int dr)
{
int j=st-1,pivot_index=st+rand()%(dr-st+1);
swap(v[pivot_index],v[dr]);
for(int i=st;i<dr;i++)
{
if(v[i]<=v[pivot_index])
j++,swap(v[i],v[j]);
}
j++;
swap(v[j],v[pivot_index]);
return j;
}
void quickselect(int*v,int st,int dr,int k)
{
if(st<dr)
{
int pos=partition(v,st,dr);
int t=pos-st+1;
if(t==k)
{
g<<v[pos];
return;
}
else{
if(t<k)
quickselect(v,pos+1,dr,k);
else quickselect(v,st,pos-1,k);
}
}
}
int main()
{
f>>n>>k;
for(int i=1;i<=n;i++)
f>>v[i];
quickselect(v,1,n,k);
f.close();
g.close();
return 0;
}