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

int n,k,v[3000006],nr;
char s[15];

int main ()
{
    int i,j;
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
    scanf("%d%d\n",&n,&k);
    for(i=1;i<=n;i++)
    {
        scanf("%s",s);
        nr=strlen(s);
        for(j=0;j<nr;j++)
            v[i]=v[i]*10+s[j]-'0';
    }
    nth_element(v+1,v+k,v+n+1);
    printf("%d\n",v[k]);
    return 0;
}