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#include <stdio.h>
#include <math.h>
#include <iostream>
#include <string>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <cstring>
#include <fstream>
#include <queue>
#include<cstdlib>
using namespace std;
#define MAXN 3000001
#define radical3 1.7320508075
#define MAXDIFF 2000000000
#define PI 3.141592653
double eps = 1e-3;
/*void RadixSort(int *v, int n)
{
int nr[11], bucket[MAXN], max = v[0];
for (int i = 1; i < n; i++)
{
if ( max < v[i] )
max = v[i];
}
int exp = 1;
while (max / exp > 0)
{
for (int i = 0; i < 10; i++)
{
nr[i] = 0;
}
for (int i = 0; i < n; i++)
{
nr[( v[i] / exp ) % 10]++;
}
for (int i = 1; i < 10; i++)
{
nr[i] += nr[i-1];
}
for (int i = n-1; i >= 0; i--)
{
bucket[--nr[(v[i] / exp) % 10]] = v[i];
}
for (int i = 0; i < n; i++)
{
v[i] = bucket[i];
}
exp *= 10;
}
}*/
int n, k, v[MAXN];
void statistic (int li , int ls)
{
int min = li, max = ls;
int mid = v[( li + ls ) / 2];
while ( min < max )
{
while (v[min] < mid)
min++;
while (v[max] > mid)
max--;
if (min <= max)
{
swap (v[min], v[max]);
min++; max--;
}
if ( k <= max && li < max )
statistic(li, max);
if ( k >= min && ls > min )
statistic(min, ls);
}
}
int main()
{
FILE *f = fopen("sdo.in", "r");
FILE *g = fopen("sdo.out", "w");
fscanf(f, "%d %d", &n, &k);
for (int i = 0; i < n; i++)
{
fscanf(f, "%d", &v[i]);
}
statistic(0, n-1);
fprintf(g, "%d", v[k-1]);
fclose(f); fclose(g);
return 0;
}