#include <bits/stdc++.h>
using namespace std;
const long long MOD = 998244353;
struct linear{
  long long a, b;
  linear(){
    a = 1;
    b = 0;
  }
  linear(int a, int b): a(a), b(b){
  }
};
linear composite(linear A, linear B){
  return linear(A.a * B.a % MOD, (A.b * B.a + B.b) % MOD);
}
int value(linear A, int x){
  return (A.a * x + A.b) % MOD;
}
int main(){
  int N, Q;
  cin >> N >> Q;
  vector<linear> f(N);
  for (int i = 0; i < N; i++){
    int a, b;
    cin >> a >> b;
    f[i] = linear(a, b);
  }
  for (int i = 0; i < Q; i++){
    int l, r, p, x;
    cin >> l >> r >> p >> x;
    linear ans;
    for (int j = l; j < r; j++){
      ans = composite(ans, f[j ^ p]);
    }
    cout << value(ans, x) << endl;
  }
}