#include <stdio.h>
#include <algorithm>
using namespace std;
FILE*F=fopen("sdo.in","r");
FILE*G=fopen("sdo.out","w");
int a[3000001];
int main()
{
    int n,k;
    fscanf(F,"%d%d",&n,&k);
    for(int i=1;i<=n;++i)
        fscanf(F,"%d",&a[i]);
    nth_element(a+1,a+k,a+n+1);
    fprintf(G,"%d",a[k]);
    fclose(F);
    fclose(G);
    return 0;
}