#include<iostream>
using namespace std;
int main() {
int n, k; cin >> n >> k;
int *A = new int[n];
for (int i = 1; i <= n; i++) {
cin >> A[i];
}
for (int i = 2; i <= n; i++) {
A[0] = A[i]; int j = i - 1;
while (A[j] < A[0]) {
A[j + 1] = A[j];
j--;
}
A[j + 1] = A[0];
}
cout << A[k];
}