#include <bits/stdc++.h>

using namespace std;

#define INF 1e9

long long t[400004], val[400004], a[100000];

void build(int v, int lt, int rt) {
    if (lt == rt)
        t[v] = a[lt];
    else {
        int mt=(lt+rt)/2;
        build(2*v, lt, mt);
        build(2*v+1, mt+1, rt);
        t[v] = max(t[2*v], t[2*v+1]);
    }
}

void push(int v) {
    if (val[v] > 0) {
        t[2*v] += val[v];
        t[2*v+1] += val[v];
        val[2*v] = val[2*v+1] = val[v];
        val[v] = 0;
    }
}

int get(int v, int lt, int rt, int l, int r) {
    if (l > r)
        return -INF;

    if (l==lt && r==rt)
        return t[v];

    push(v);

    int mt=(lt+rt)/2;
    return max(
                get(2*v, lt, mt, l, min(mt, r)),
                get(2*v+1, mt+1, rt, max(l, mt+1), r)
           );
}

void update(int v, int lt, int rt, int l, int r, int x) {
    if (l > r)
        return;

    if (l==lt && r==rt) {
        t[v] += x;
        val[v] = x;
        return;
    }

    push(v);

    int mt=(lt+rt)/2;
    update (v*2, lt, mt, l, min(r, mt), x);
    update (v*2+1, mt+1, rt, max(l, mt+1), r, x);
    t[v] = max(t[2*v], t[2*v+1]);
}

int main() {
    int n=0;  cin >> n;

    for (int i=0; i<n; i++)
        cin >> a[i];

    build(1, 0, n-1);

    int m=0; cin >> m;

    vector<long long> ans;

    for (int i=0; i<m; i++) {
        char ch; cin >> ch;
        if (ch == 'm') {
            int l=0, r=0; cin >> l >> r;
            ans.push_back(get(1, 0, n-1, l-1, r-1));
        } else {
            int l=0, r=0, x=0; cin >> l >> r >> x;
            update(1, 0, n-1, l-1, r-1, x);
        }
    }
    for (long long i: ans)
        cout << i << ' ';
}