#include<stdio.h>
#include<stdlib.h>
int comp(void* a,void*b){
    return *(int *)a-*(int *)b;
}
int main(){
    int n,d;
    scanf("%d %d",&n,&d);
    int a[n];
    for(int i=0;i<n;i++)
    scanf("%d",&a[i]);

    qsort(a,n,sizeof(a[0]),comp);
    

printf("%d",a[d]);

return 0;
}