#include <bits/stdc++.h>
using namespace std;
template <class T1, class T2>
ostream &operator<<(ostream &os, pair<T1, T2> &p);
template <class T>
ostream &operator<<(ostream &os, vector<T> &v);
template <class T>
ostream &operator<<(ostream &os, set<T> &v);
template <class T1, class T2>
ostream &operator<<(ostream &os, map<T1, T2> &v);
const long long mod = 100000007;
const int N = 15;
int n, k;
bool check(vector<int> &a, int x) {
  bool flag = true;
  vector<int> v;
  for (int i = 0; i < n; i++) {
    if (v.size() == k) break;
    if ((int)v.size() % 2) {
      v.push_back(a[i]);
    } else if (a[i] <= x) {
      v.push_back(a[i]);
    }
  }
  if (v.size() == k) {
    return true;
  }
  v.clear();
  for (int i = 0; i < n; i++) {
    if (v.size() == k) break;
    if ((int)v.size() % 2 == 0) {
      v.push_back(a[i]);
    } else if (a[i] <= x) {
      v.push_back(a[i]);
    }
  }
  if (v.size() == k) {
    return true;
  }
  return false;
}
void TEST_CASES(int cas) {
  scanf("%d %d", &n, &k);
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }
  int low = *min_element(a.begin(), a.end()),
      high = *max_element(a.begin(), a.end());
  int ans = -1;
  while (low <= high) {
    int mid = (low + high) / 2;
    ;
    ;
    if (check(a, mid)) {
      high = mid - 1;
      ans = mid;
    } else {
      low = mid + 1;
    }
  }
  printf("%d\n", ans);
}
int main() {
  int t = 1, cas = 0;
  while (t--) {
    TEST_CASES(++cas);
  }
  return 0;
}
template <class T1, class T2>
ostream &operator<<(ostream &os, pair<T1, T2> &p) {
  os << "{" << p.first << ", " << p.second << "} ";
  return os;
}
template <class T>
ostream &operator<<(ostream &os, vector<T> &v) {
  os << "[ ";
  for (int i = 0; i < v.size(); i++) {
    os << v[i] << " ";
  }
  os << " ]";
  return os;
}
template <class T>
ostream &operator<<(ostream &os, set<T> &v) {
  os << "[ ";
  for (T i : v) {
    os << i << " ";
  }
  os << " ]";
  return os;
}
template <class T1, class T2>
ostream &operator<<(ostream &os, map<T1, T2> &v) {
  for (auto i : v) {
    os << "Key : " << i.first << " , Value : " << i.second << endl;
  }
  return os;
}
