#include <bits/stdc++.h>
using namespace std;
const int N = 10010;
int a[N], b[N], bl;
int main() {
    int n, k;
    cin >> n >> k;
    for (int i = 1; i <= n; i++) cin >> a[i];
    sort(a + 1, a + 1 + n);

    int x = a[1];
    b[++bl] = x;

    for (int i = 2; i <= n; i++) {
        if (x == a[i]) continue;
        x = a[i];
        b[++bl] = x;
    }

    // for (int i = 1; i <= bl; i++)
    //     cout << b[i] << " ";
    // cout << endl;

    if (bl >= k)
        cout << b[k] << endl;
    else
        cout << "NO RESULT" << endl;

    return 0;
}