#include <cstdio>
#include <algorithm>
#define NMax 3000000
using namespace std;

int v[NMax+1];
int N,K;

int main(){
    FILE* fin = fopen("sdo.in","r");
    FILE* fout = fopen("sdo.out","w");

    int i;

    fscanf(fin,"%d %d",&N,&K);
    for(i = 1; i <= N; ++i) fscanf(fin,"%d",&v[i]);
    nth_element(v+1,v+K,v+N+1);
    fprintf(fout,"%d\n",v[K]);

    fclose(fin);
    fclose(fout);


return 0;
}