#include<bits/stdc++.h>
using namespace std;

#include <atcoder/all>
#include <boost/multiprecision/cpp_int.hpp>
using Bint = boost::multiprecision::cpp_int;

Bint safe_mod(Bint x, Bint m) {
    x %= m;
    if (x < 0) x += m;
    return x;
}

std::pair<Bint, Bint> inv_gcd(Bint a, Bint b) {
    a = safe_mod(a, b);
    if (a == 0) return {b, 0};
    Bint s = b, t = a;
    Bint m0 = 0, m1 = 1;

    while (t) {
        Bint u = s / t;
        s -= t * u;
        m0 -= m1 * u;
        auto tmp = s;
        s = t;
        t = tmp;
        tmp = m0;
        m0 = m1;
        m1 = tmp;
    }
    if (m0 < 0) m0 += b / s;
    return {s, m0};
}

using S = pair<Bint,Bint>;
std::pair<Bint, Bint> crt(S lhs, S rhs) {
    auto && [r0, m0] = lhs;
    auto && [r1, m1] = rhs;
    if (r0 == 0 && m0 == 1) return {r1, m1};
    if (r1 == 0 && m1 == 1) return {r0, m0};
    if (m0 < m1) {
        std::swap(r0, r1);
        std::swap(m0, m1);
    }
    if (m1 == 0) return {0, 0};
    if (m0 % m1 == 0) {
        if (r0 % m1 != r1) return {0, 0};
    }
    Bint g, im;
    std::tie(g, im) = inv_gcd(m0, m1);
    Bint u1 = (m1 / g);
    if ((r1 - r0) % g) return {0, 0};
    Bint x = (r1 - r0) / g % u1 * im % u1;
    r0 += x * m0;
    m0 *= u1;
    if (r0 < 0) r0 += m0;
    return {r0, m0};
}

pair<Bint,Bint> e(){return {0, 1};}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int Q, cmd, cur = 0, k, m, r;
    cin >> Q;
    atcoder::segtree<pair<Bint,Bint>, crt, e> seg(Q);
    while(Q--){
        cin >> cmd;
        if(cmd == 1){
            cin >> m >> r;
            seg.set(cur++, make_pair(r, m));
        }else if(cmd == 2){
            cin >> k;
            cur -= k;
        }else{
            cin >> m;
            auto pa = seg.prod(0, cur);
            if(pa.second == 0){
                cout << "-1\n";
            }else{
                cout << pa.first % m << '\n';
            }
        }
    }
}