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#include <bits/stdc++.h>
using namespace std;
int n,k,v[3000000 + 5];
inline void rec(int st,int dr,int pos)
{
if (st==dr)return ;
int x = v[st+rand()%(dr-st+1)] , i = st , j = dr;
while(i<j)
{
while(v[i]<=x)
++i;
while(v[j]>x)
--j;
if (i<j)swap(v[i],v[j]);
}
int posfin = j - st +1;
if (k>posfin)rec(j+1,dr,k-posfin);
else rec(st,j,k);
}
int main()
{
freopen("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
scanf("%d %d\n", &n, &k);
for (int i = 1; i<=n; ++i)
scanf("%d", &v[i]);
srand(time(0));
rec(1, n, k);
printf("%d\n", v[k]);
return 0;
}