#include <cstdio>
#include <algorithm>
FILE *f=fopen("sdo.in","r");
FILE *g=fopen("sdo.out","w");
using namespace std;

#define MAX_N 3000005
int A[MAX_N], N, K;

void citire()
{
    fscanf(f,"%d%d",&N,&K);

    for(int i = 1; i <= N; ++i)
        fscanf(f,"%d",&A[i]);
}

int main()
{
    citire();
    nth_element(A+1, A+K, A+N+1);
    fprintf(g,"%d",A[K]);
}