#include <bits/stdc++.h>
using namespace std;
 
struct Block {
    int l, r;
    vector<int> a;
    vector<int> g;
    vector<long long> x;
    int bg;
    long long bx;
    unordered_map<long long, int> xm;
 
    void init() {
        int m = a.size();
        g.resize(m);
        x.resize(m);
        if (m == 0) return;
        g[0] = a[0];
        x[0] = a[0];
        for (int i = 1; i < m; ++i) {
            g[i] = __gcd(g[i-1], a[i]);
            x[i] = x[i-1] ^ a[i];
        }
        bg = g.back();
        bx = x.back();
        xm.clear();
        for (int i = 0; i < m; ++i) {
            long long v = x[i];
            if (!xm.count(v)) {
                xm[v] = i;
            }
        }
    }
};
 
vector<Block> blks;
int n;
vector<int> arr;
 
void build(int sz) {
    blks.clear();
    for (int i = 0; i < n; ) {
        Block b;
        b.l = i;
        b.r = min(i + sz - 1, n - 1);
        for (int j = b.l; j <= b.r; ++j) {
            b.a.push_back(arr[j]);
        }
        b.init();
        blks.push_back(b);
        i = b.r + 1;
    }
}
 
void upd(int id, int val) {
    arr[id] = val;
    for (auto &b : blks) {
        if (b.l <= id && id <= b.r) {
            int pos = id - b.l;
            b.a[pos] = val;
            b.init();
            break;
        }
    }
}
 
int qry(long long val) {
    int cg = 0;
    long long cx = 0;
    for (const auto &b : blks) {
        if (b.a.empty()) continue;
        if (cg == 0) {
            int ng = 0;
            long long nx = 0;
            for (int i = 0; i < b.a.size(); ++i) {
                int num = b.a[i];
                ng = __gcd(ng, num);
                nx ^= num;
                if (static_cast<long long>(ng) * nx == val) {
                    return b.l + i;
                }
            }
            cg = ng;
            cx = nx;
        } else {
            int g = __gcd(cg, b.bg);
            if (g == cg) {
                if (val % cg != 0) {
                    cx ^= b.bx;
                    continue;
                }
                long long t = val / cg;
                long long rx = cx ^ t;
                auto it = b.xm.find(rx);
                if (it != b.xm.end()) {
                    return b.l + it->second;
                } else {
                    cx ^= b.bx;
                }
            } else {
                int tg = cg;
                long long tx = cx;
                for (int i = 0; i < b.a.size(); ++i) {
                    int num = b.a[i];
                    tg = __gcd(tg, num);
                    tx ^= num;
                    if (static_cast<long long>(tg) * tx == val) {
                        return b.l + i;
                    }
                }
                cg = tg;
                cx = tx;
            }
        }
    }
    return -1;
}
 
int main() {
    freopen("gcdxor.in", "r", stdin);
    freopen("gcdxor.out", "w", stdout);
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    arr.resize(n);
    for (int i = 0; i < n; ++i) {
        cin >> arr[i];
    }
    int sz = sqrt(n);
    build(sz);
    int q;
    cin >> q;
    while (q--) {
        string op;
        cin >> op;
        if (op == "MODIFY") {
            int id, val;
            cin >> id >> val;
            upd(id, val);
        } else {
            long long val;
            cin >> val;
            int res = qry(val);
            if (res == -1) {
                cout << "no\n";
            } else {
                cout << res << '\n';
            }
        }
    }
    return 0;
}