#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, t) for (int i = (int)(s); i < (int)(t); ++i)
#define revrep(i, t, s) for (int i = (int)(t)-1; i >= (int)(s); --i)
#define all(x) begin(x), end(x)
template <typename T>
bool chmax(T& a, const T& b) {
    return a < b ? (a = b, 1) : 0;
}
template <typename T>
bool chmin(T& a, const T& b) {
    return a > b ? (a = b, 1) : 0;
}

template <int mod>
class Modint {
    using mint = Modint;
    static_assert(mod > 0, "Modulus must be positive");

   public:
    static constexpr int get_mod() noexcept { return mod; }

    constexpr Modint(long long y = 0) noexcept
        : x(y >= 0 ? y % mod : (y % mod + mod) % mod) {}

    constexpr int value() const noexcept { return x; }

    constexpr mint& operator+=(const mint& r) noexcept {
        if ((x += r.x) >= mod) x -= mod;
        return *this;
    }
    constexpr mint& operator-=(const mint& r) noexcept {
        if ((x += mod - r.x) >= mod) x -= mod;
        return *this;
    }
    constexpr mint& operator*=(const mint& r) noexcept {
        x = static_cast<int>(1LL * x * r.x % mod);
        return *this;
    }
    constexpr mint& operator/=(const mint& r) noexcept {
        *this *= r.inv();
        return *this;
    }

    constexpr mint operator-() const noexcept { return mint(-x); }

    constexpr mint operator+(const mint& r) const noexcept {
        return mint(*this) += r;
    }
    constexpr mint operator-(const mint& r) const noexcept {
        return mint(*this) -= r;
    }
    constexpr mint operator*(const mint& r) const noexcept {
        return mint(*this) *= r;
    }
    constexpr mint operator/(const mint& r) const noexcept {
        return mint(*this) /= r;
    }

    constexpr bool operator==(const mint& r) const noexcept { return x == r.x; }
    constexpr bool operator!=(const mint& r) const noexcept { return x != r.x; }

    constexpr mint inv() const noexcept {
        int a = x, b = mod, u = 1, v = 0;
        while (b > 0) {
            int t = a / b;
            std::swap(a -= t * b, b);
            std::swap(u -= t * v, v);
        }
        return mint(u);
    }

    constexpr mint pow(long long n) const noexcept {
        mint ret(1), mul(x);
        while (n > 0) {
            if (n & 1) ret *= mul;
            mul *= mul;
            n >>= 1;
        }
        return ret;
    }

    friend std::ostream& operator<<(std::ostream& os, const mint& r) {
        return os << r.x;
    }

    friend std::istream& operator>>(std::istream& is, mint& r) {
        long long t;
        is >> t;
        r = mint(t);
        return is;
    }

   private:
    int x;
};

template <typename M>
class XorSegmentTree {
    using T = typename M::T;

   public:
    XorSegmentTree() = default;
    explicit XorSegmentTree(int n)
        : XorSegmentTree(std::vector<T>(n, M::id())) {}
    explicit XorSegmentTree(const std::vector<T>& v) {
        n = 0, size = 1;
        while (size < (int)v.size()) size <<= 1, ++n;
        table.resize(2 * size);

        for (int k = 0; k < size; ++k) {
            table[size + k].resize(1, k < (int)v.size() ? v[k] : M::id());
        }
        half = 1 << ((n + 1) / 2);

        for (int k = size - 1; k >= half; --k) pull(k);
    }

    void update(int k, const T& x) {
        k += size;
        table[k][0] = x;
        for (k >>= 1; k >= half; k >>= 1) pull(k);
    }

    T fold(int l, int r, int x) const {
        T vl = M::id(), vr = M::id();
        int i = 0;
        for (l += size, r += size; l < r && l > 2 * half;
             l >>= 1, r >>= 1, ++i) {
            if (l & 1)
                vl = M::op(vl, table[l++ ^ (x >> i)][x & ((1 << i) - 1)]);
            if (r & 1)
                vr = M::op(table[--r ^ (x >> i)][x & ((1 << i) - 1)], vr);
        }
        for (int k = l; k < r; ++k) {
            vl = M::op(vl, table[k ^ (x >> i)][x & ((1 << i) - 1)]);
        }
        return M::op(vl, vr);
    }

   private:
    int n, size, half;
    std::vector<std::vector<T>> table;

    void pull(int k) {
        int i = n - (31 - __builtin_clz(k));
        table[k].resize(1 << i);
        for (int x = 0; x < (1 << i); ++x) {
            T vl = table[2 * k][x & ~(1 << (i - 1))];
            T vr = table[2 * k + 1][x & ~(1 << (i - 1))];
            if (x >> (i - 1) & 1) std::swap(vl, vr);
            table[k][x] = M::op(vl, vr);
        }
    }
};

using mint = Modint<998244353>;

vector<mint> pow11, pow2;

struct Monoid {
    using T = pair<mint, int>;
    static T id() { return {0, 0}; }
    static T op(T a, T b) {
        auto [xa, na] = a;
        auto [xb, nb] = b;
        return {xa * pow11[nb] + xb * pow2[na], na + nb};
    }
};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);

    int n;
    cin >> n;
    string s;
    cin >> s;

    pow11.resize((1 << n) + 1, 1);
    pow2.resize((1 << n) + 1, 1);
    rep(i, 1, (1 << n) + 1) {
        pow11[i] = pow11[i - 1] * 11;
        pow2[i] = pow2[i - 1] * 2;
    }

    vector<pair<mint, int>> init(1 << n);
    rep(i, 0, 1 << n) { init[i] = {s[i] - '0', 1}; }

    XorSegmentTree<Monoid> st(init);

    int q;
    cin >> q;
    while (q--) {
        int t;
        cin >> t;
        if (t == 1) {
            int x, y;
            cin >> x >> y;
            st.update(x, {y, 1});
        } else {
            int l, r, x;
            cin >> l >> r >> x;
            ++r;
            cout << st.fold(l, r, x).first << "\n";
        }
    }
}