#include <bits/stdc++.h>
//#define int long long
#define endl '\n'
#define pii pair<int,int>
#define vint vector<int>
#define vll vector<long long>
#define vpii vector<pii>
#define pb push_back
#define se second
#define fi first
#define all(x) x.begin(), x.end()
#define graph vector<vector<int>>
using namespace std;
const int N = (int)2e5 + 69;
const int mod = (int)1e4 + 7;
const int naser = 3999, tourist = 3816;
int power(int a, int b) { int ans = 1; while (b) { if (b % 2) ans *= a; a *= a; b /= 2; } return ans; }
long long ex[1001][1001], ti[1001][1001], y, x, n, m;
vint tmp, w, s;
vll t;
void init(int l, int N, vll T, vint W, int X, int M, vint S) {
t = T;
w = W;
s = S;
x = X;
n = N;
for (int i = 0; i < n; i++) {
ti[i][1] = t[i] + (s[1] - s[0]) * w[i];
for (int j = 0; j < n; j++) {
if (t[j] < t[i])
ti[i][1] = max(ti[i][1], ti[j][1]);
}
}
}
long long arrival_time(long long Y) {
y = Y;
long long ans = y + (s[1] - s[0]) * x;
for (int i = 0; i < n; i++) {
if (t[i] < y)
ans = max(ans, ti[i][1]);
}
return ans;
}
//int32_t main() {
//
// init(6, 4, { 20, 10, 40, 0 }, { 5, 20, 20, 30 }, 10, 2, { 0, 1, 3, 6 });
// //init(6, 2, { 10, 20 }, { 5, 3 }, 2, 2, { 0, 6 });
// while (naser > tourist) {
// int y;
// cin >> y;
// cout << arrival_time(y) << endl;
// }
//
//}
