#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 5e5 + 5;
const ll MOD = 1e9 + 7;
vector<ll> x(N), y(N);
int n;
int init(int NN, int X[], int Y[]) {
n = NN;
for(int i = 0;i<n;i++) x[i] = X[i], y[i] = Y[i];
ll ans = 0, mul = 1;
for(int i = 0;i<n;i++){
mul *= x[i];
mul %= MOD;
ans = max(ans, (mul * y[i]) % MOD);
}
return ans;
}
int updateX(int pos, int val) {
x[pos] = val;
ll ans = 0, mul = 1;
for(int i = 0;i<n;i++){
mul *= x[i];
mul %= MOD;
ans = max(ans, (mul * y[i]) % MOD);
}
return ans;
}
int updateY(int pos, int val) {
y[pos] = val;
ll ans = 0, mul = 1;
for(int i = 0;i<n;i++){
mul *= x[i];
mul %= MOD;
ans = max(ans, (mul * y[i]) % MOD);
}
return ans;
}
