#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++)
#define ALL(x) (x).begin(), (x).end()

const double PI = acos(-1);

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n, d;
  cin >> n >> d;

  vector<double> x(n), v(n);
  REP (i, n) cin >> x[i];
  REP (i, n) cin >> v[i];

  int ub = 1e9;
  int lb = -1;
  while (ub - lb > 1) {
    long long t = (lb + ub) / 2;
    long long sum = 0;
    REP (i, n)
      sum += t * v[i];
    if (sum >= d)
      ub = t;
    else
      lb = t;
  }
  cout << ub << endl;
  
  return 0;
}