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

using isize = size_t;
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
using f64 = long double;
using p2 = pair<i64, i64>;
using el = tuple<i64, i64, i64>;
using mint = atcoder::modint998244353;

void _main();
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  _main();
}

i64 pow(i64 x, i64 n) {
  i64 res = 1;
  i64 t = x;
  while (n > 0) {
    if (n & 1) {
      res = res * t;
    }
    t = t * t;
    n >>= 1;
  }
  return res;
}
i64 pow(i64 x, i64 n, i64 m) {
  i64 res = 1;
  i64 t = x % m;
  while (n > 0) {
    if (n & 1) {
      res = res * t % m;
    }
    t = t * t % m;
    n >>= 1;
  }
  return res;
}

i64 op(i64 a, i64 b) {return min(a, b);}
i64 e() {return 1e18;}
void _main() {
  i64 n;
  cin >> n;
  vector<i64> p(n);
  for (i64 i = 0; i < n; i++) {
    cin >> p[i];
  }
  atcoder::segtree<i64, op, e> seg(p);
  while (seg.all_prod() != e()) {
    i64 now = 0, mn = e();
    i64 x = 1e18, y = 1e18;
    while (now < n) {
      i64 nxt = seg.max_right(now, [&](i64 t){return t >= mn;});
      if (nxt >= n) break;
      x = min(x, nxt + 1);
      y = min(y, p[nxt]);
      seg.set(nxt, e());
      mn = y;
      now = nxt;
    }
    cout << x << " " << y << "\n";
  }
}