#include <iostream>
#include <cstring>
#include <cstdio>
#include <algorithm>
using namespace std;

void open(){
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
}
int n,k,x[3000010];

int main(){
    //open();
    scanf("%d%d",&n,&k);k--;
    for (int i=0;i<n;i++){
        scanf("%d",&x[i]);
    }
    nth_element(x,x+k,x+n);
    printf("%d\n",x[k]);
    return 0;
}