fare_gatis

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pii;

#define fi first
#define se second
#define mp make_pair

vector<int> xc, yc, sx, sy;

const int N = (int)1e5 + 9;

int cnt1[N], cnt2[N], cnt3[N], cnt4[N];
set<int> c1, c2, c3, c4;

int main(){
    int n;
    scanf("%d", &n);
    char ty[n];
    int x1[n];
    int y1[n];
    int x2[n];
    int y2[n];
    for(int i = 0 ;i < n; i ++ ){
        cin >> ty[i];
        scanf("%d %d %d %d", &x1[i], &y1[i], &x2[i], &y2[i]);
        xc.push_back(x1[i]);
        yc.push_back(y1[i]);
        sx.push_back(x2[i]);
        sy.push_back(y2[i]);
    }
    sort(xc.begin(), xc.end());
    sort(yc.begin(), yc.end());
    sort(sx.begin(), sx.end());
    sort(sy.begin(), sy.end());
    xc.resize(unique(xc.begin(), xc.end()) - xc.begin());
    yc.resize(unique(yc.begin(), yc.end()) - yc.begin());
    sx.resize(unique(sx.begin(), sx.end()) - sx.begin());
    sy.resize(unique(sy.begin(), sy.end()) - sy.begin());
    int s1, s2;
    ll answ;
    for(int i = 0 ; i < n; i ++ ){
        x1[i] = lower_bound(xc.begin(), xc.end(), x1[i]) - xc.begin();
        y1[i] = lower_bound(yc.begin(), yc.end(), y1[i]) - yc.begin();
        x2[i] = lower_bound(sx.begin(), sx.end(), x2[i]) - sx.begin();
        y2[i] = lower_bound(sy.begin(), sy.end(), y2[i]) - sy.begin();
        if(ty[i] == '+'){
            cnt1[x1[i]] ++ ;
            if(cnt1[x1[i]] == 1)
                c1.insert(x1[i]);
            cnt2[y1[i]] ++ ;
            if(cnt2[y1[i]] == 1)
                c2.insert(y1[i]);
            cnt3[x2[i]] ++ ;
            if(cnt3[x2[i]] == 1)
                c3.insert(x2[i]);
            cnt4[y2[i]] ++ ;
            if(cnt4[y2[i]] == 1)
                c4.insert(y2[i]);

        }
        else{
            cnt1[x1[i]] -- ;
            if(cnt1[x1[i]] == 0)
                c1.erase(x1[i]);
            cnt2[y1[i]] -- ;
            if(cnt2[y1[i]] == 0)
                c2.erase(y1[i]);
            cnt3[x2[i]] -- ;
            if(cnt3[x2[i]] == 0)
                c3.erase(x2[i]);
            cnt4[y2[i]] -- ;
            if(cnt4[y2[i]] == 0)
                c4.erase(y2[i]);
        }
        if(c1.empty() || c2.empty() || c3.empty() || c4.empty()){
            printf("0\n");
            continue;
        }
        auto it = c3.begin();
        s1 = sx[*it];
        it = c1.end();
        -- it;
        s1 -= xc[*it];
        // !!!!!!!!!!!!!!!1
        it = c4.begin();
        s2 = sy[*it];
        it = c2.end();
        -- it;
        s2 -= yc[*it];
        answ = 1ll * s1 * s2;
        answ = max(answ, 0ll);
        printf("%lli\n", answ);
    }
    return 0;
}