#include <iostream>
#define e (double)(1e-7)
using namespace std;
int n, t[51], x[51], c, maxi;
double a, b;
int main ()
{
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> t[i];
    for(int i = 1; i <= n; i++)
    {
        cin >> x[i];
        maxi = max(maxi, x[i]);
    }
    cin >> c;
    b = (double)(maxi);
    while(b - a > e)
    {
        double orta = (a + b) / 2;
        //cout << a << " " << orta << " " << b << " || ";
        double sum = 0.0;
        bool ok = false;
        for(int i = 1; i <= n; i++)
        {
            for(int j = 1; j <= t[i]; j++)
            {
                sum += double(x[i]) - orta;
                if(sum < 0)
                    sum = 0.0;
                if(sum > (double)(c))
                {
                    a = orta;
                    ok = true;
                }
            }
        }
        if(!ok)
            b = orta;

        // cout << a << " " << b << '\n';
        //cout << a << " " << orta << " " << b << "\n";
    }
    printf("%lf %lf", a, b);
   // cout << a << "!" << b;
}