#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
    long long n, d;
    cin >> n >> d;
    for (int i = 0; i < n; i++) {
        long long x = 0;
        cin >> x;
    }
    long long sum = 0;
    for (int i = 0; i < n; i++) {
        long long v;
        cin >> v;
        sum += v;
    }
    cout << (d + sum - 1) / sum << endl;
    return 0;
}