#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
//#define int ll
using P = pair<int, int>;
#define all(x) x.begin(), x.end()
#define rep(i, l, n) for (int i = l; i < (n); ++i)
#define sz(x) (int)x.size()
const char nl = '\n';
const int mod = 998244353;
int n;
vector<int> x, y;
int init(int N, int X[], int Y[]) {
n = N;
rep(i, 0, n)
x.push_back(X[i]),
y.push_back(Y[i]);
//cout <<"im here" << nl;
//return 1;
//ll cnt = 1, res = 0;
int cnt = 1, res = 0;
rep(i, 0, N) {
cnt = cnt*x[i]%mod;
res = max(res, cnt*y[i]);
}
//cout << res << nl;
return res;
}
int updateX(int pos, int val) {
x[pos] = val;
return 0;
}
int updateY(int pos, int val) {
y[pos] = val;
return 0;
}
