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#include <cstdio>
using namespace std;
FILE *in, *out;
const int MAX_N = 3000000;
int v[MAX_N];
int n, k;
void schimb(int &a, int &b)
{
int x = a;
a = b;
b = x;
}
void part3(int st, int dr, int &p, int &u)
{
p = st;
u = dr-1;
int i = st;
while(i <= u)
{
if(v[i] < v[dr])
schimb(v[p++], v[i++]);
else if(v[i] == v[dr]) i++;
else schimb(v[u--], v[i]);
}
u++;
schimb(v[u],v[dr]);
}
int sdo(int st, int dr, int k)
{
int p, u;
part3(st, dr, p, u);
if(p <= k && u >= k) return v[p];
if(p > k) return sdo(st, p-1, k);
return sdo(u+1,dr,k);
}
int main()
{
in = fopen("sdo.in", "r");
out = fopen("sdo.out", "w");
fscanf(in, "%d%d", &n, &k);
for(int i = 1; i <= n; i++)
fscanf(in, "%d", &v[i]);
fprintf(out, "%d", sdo(1,n,k));
return 0;
}