#include <iostream>
#include <vector>
#include <numeric>
using namespace std;
using i64 = int64_t;

i64 inv_mod(i64 x, i64 m) {
  x %= m;
  if (x < 0) x += m;
  i64 a = m, b = x;
  i64 u = 0, v = 1;
  while (b > 0) {
    i64 q = a / b;
    swap(a -= q * b, b);
    swap(u -= q * v, v);
  }
  if (u < 0) u += m / a;
  return u;
}

int main() {
  int q;
  cin >> q;
  vector<int> M, Y;
  while (q--) {
    int t;
    cin >> t;
    if (t == 1) {
      int m, r;
      cin >> m >> r;
      if (!Y.empty() && Y.back() < 0)
        M.push_back(m), Y.push_back(-1);
      else {
        i64 p = 1, g = 1, y = r % m;
        for (int i = 0; i < (int)Y.size(); i++) {
          y -= Y[i] * p % m;
          if (y < 0) y += m;
          p = p * M[i] % m;
          g = gcd(g * M[i], m);
        }
        if (y % g != 0) {
          M.push_back(1), Y.push_back(-1);
        } else {
          m /= g;
          y = m == 1 ? 0 : (y / g) * inv_mod(p / g, m) % m;
          M.push_back(m), Y.push_back(y);
        }
      }
    } else if (t == 2) {
      int k;
      cin >> k;
      while (k--) M.pop_back(), Y.pop_back();
    } else {
      int m;
      cin >> m;
      if (!Y.empty() && Y.back() < 0)
        cout << -1 << "\n";
      else {
        i64 x = 0;
        for (int i = (int)Y.size() - 1; i >= 0; i--) x = (x * M[i] + Y[i]) % m;
        cout << x << "\n";
      }
    }
  }
}