#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <cctype>
#include <string>
#include <queue>
#include <unordered_set>
#include <deque>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k;
cin >> n >> k;
vector<int> a(n);
for (int i = 0; i < n; ++i) {
cin >> a[i];
}
sort(a.begin(), a.end());
vector<int> ans;
for (int i = n - k; i < n; ++i) {
ans.push_back(a[i]);
}
for (int i = 0; i < n - k; ++i) {
ans.push_back(a[i]);
}
int wrong = 0;
for (int i = 0; i < n; ++i) {
if (ans[i] > wrong) {
wrong++;
}
}
if (wrong != k) {
cout << -1 << '\n';
return 0;
}
reverse(ans.begin(), ans.end());
for (int i : ans) {
cout << i << ' ';
}
}
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