#include <bits/stdc++.h>

using namespace std;

using ll = long long;

constexpr char newl = '\n';

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int n;
    ll d;
    cin >> n >> d;

    for (int i = 0; i < n; i++) {
        ll x;
        cin >> x;
    }

    ll sum = 0;
    for (int i = 0; i < n; i++) {
        ll v;
        cin >> v;
        sum += v;
    }

    cout << (d + sum - 1) / sum << newl;
    return 0;
}