#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	scanf("%d", &n);
	int lines;
	scanf("%d", &lines);
	int answer[lines + 1];
	int current = lines;
	int temp;
	for (int i = 1; i < n; i++) {
		scanf("%d", &temp);
		if (temp != current) {
			for (int j = current; j > temp; j--) {
				answer[j] = i;
			}
			current = temp;
		}
	}
	for (int i = 1; i <= current; i++) {
		printf("%d ", n);
	}
	for (int i = current + 1; i <= lines; i++) {
		printf("%d ", answer[i]);
	}
	return 0;
}