#include <stdio.h>
#include <algorithm>
using namespace std;

FILE *in,*out;

int num, position;
int values[3000001];

int main()
{
    in=fopen("sdo.in","rt");
    out=fopen("sdo.out","wt");

    fscanf(in,"%d%d",&num,&position);
    for(int i=1; i<=num; ++i)
        fscanf(in,"%d",&
            values[i]);
    nth_element(values+1, values+position, values+num+1);
    fprintf(out,"%d",values[position]);


    fclose(in);
    fclose(out);
    return 0;
}