// #define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using pii = pair<int, int>;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define repr(i, n) for (int i = (int)(n - 1); i >= 0; --i)

int main() {
    int n;
    cin >> n;
    vi a(n);
    rep(i, n) cin >> a[i];
    int i = n - 1;
    int r = n;
    for (int k = 1; k <= a[0]; k++) {
        while (a[i] < k) {
            r--;
            i--;
        }
        cout << r << (k < a[0] ? ' ' : '\n');
    }
    return 0;
}