#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a,b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a,b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
/*
refs:
https://github.com/dolphingarlic/CompetitiveProgramming/blob/master/Baltic/Baltic%2015-edi.cpp
https://oj.uz/submission/855227
*/
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
void solve(int test_case)
{
ll n; cin >> n;
vector<ll> a(n+5);
rep1(i,n) cin >> a[i];
vector<ll> w(n+5);
rep1(i,n){
if(a[i] > 0){
w[i] = 0;
}
else{
w[i] = abs(a[i]);
}
}
vector<ll> par(n+5,-1);
vector<ll> ans(n+5);
rep1(i,n){
ll x = a[i];
{
ll j = i-1;
while(j >= 0){
if(w[i] > w[j]){
break;
}
j = par[j]-1;
}
amax(j,-1ll);
par[i] = j;
}
// rev(j,i-1,0){
// if(state[j] and w[i] > w[j]){
// par[i] = j;
// break;
// }
// }
// {
// ll j = i;
// while(j != -1){
// state[j] ^= 1;
// j = par[j];
// }
// }
if(w[i] == 0){
ans[i] = x;
}
else{
ans[i] = ans[par[i]-1];
}
cout << ans[i] << endl;
}
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
