#include <bits/stdc++.h>
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); }
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
using namespace std;
typedef long long ll;

int main() {
	int n;
	cin >> n;
	vector<int> a(n), r(n, -1);
	map<int, int> last;
	rep (i, n) {
		scanf("%d", &a[i]);
		last[a[i]] = i;
	}
	for (auto kv : last) r[kv.second] = kv.first;

	set<int> st;
	rep (i, n) {
		st.insert(-a[i]);
		if (!st.empty()) a[i] = -*st.begin();
		if (r[i] != -1) st.erase(-r[i]);
	}

	rep (i, n) printf("%d ", a[i]);
	cout << endl;
	return 0;
}