#include <cstdio>
#include <algorithm>
using namespace std;
int n,i,k,j,v[3000005];
int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;++i)
        scanf("%d",&v[i]);
    sort(v+1,v+n+1);
    printf("%d",v[k]);
    return 0;
}