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#include <bits/stdc++.h>
#include <time.h>
using namespace std;
ofstream fout("sdo.out");
ifstream fin("sdo.in");
int i,n,k,v[500010];
int poz(int st,int dr) {
int dst=0, ddr=-1;
int x=st+rand()%(dr-st+1);
swap(v[x],v[st]);
while (st<dr) {
if (v[st]>v[dr]) {
swap(v[st],v[dr]);
int aux=dst;
dst=-ddr;
ddr=-aux;
}
st+=dst;
dr+=ddr;
}
return st;
}
int cauta(int st,int dr,int k) {
if (st==dr)
return v[st];
int p=poz(st,dr);
if (p==k)
return v[k];
if (p>k)
return cauta(st,p-1,k);
else
return cauta(p+1,dr,k);
}
int main() {
fin>>n>>k;
for (i=1;i<=n;i++)
fin>>v[i];
srand(time(0));
fout<<cauta(1,n,k);
return 0;
}