#include <bits/stdc++.h>
using namespace std;
const int MAXN = 3e5 + 5;
const int mod = 1e9 + 7;
int n;
int num[MAXN];
bool vis[MAXN];
int main() {
  scanf("%d", &n);
  for (int i = 1; i <= n; ++i) scanf("%d", &num[i]);
  int e = n;
  printf("1");
  int sum = 0;
  for (int i = 1; i <= n; ++i) {
    vis[num[i]] = 1;
    while (vis[e] && e >= 1) {
      sum++;
      e--;
    }
    printf(" %d", i - sum + 1);
  }
  return 0;
}
