#include <bits/stdc++.h>

using namespace std;

double dist (double x1, double y1, double x2, double y2)
{
    return (sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)));
}

int main()
{
    double a1, b1, c1, a2, b2, c2, x1, y1, x2, y2, x3, y3, x4, y4, x, y;
    cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> x4 >> y4;
    if (x1 > x2)
    {
        swap(x1, x2);
        swap(y1, y2);
    }
    if (x1 == x2 && y1 > y2)
        swap(y1, y2);
    if (x3 > x4)
    {
        swap(x3, x4);
        swap(y3, y4);
    }
    if (x3 == x4 && y3 > y4)
        swap(y3, y4);
    a1 = y2 - y1;
    b1 = -x2 + x1;
    c1 = y1 * x2 - x1 * y2;
    a2 = y4 - y3;
    b2 = -x4 + x3;
    c2 = y3 * x4 - x3 * y4;
    if (a1 * b2 == b1 * a2 && c1 * a2 != c2 * a1 && c1 * b2 != c2 * b1)
    {
        cout << "Empty";
        return 0;
    }
    if (a1 * b2 == b1 * a2 && c1 * a2 == c2 * a1 && c1 * b2 == c2 * b1)
    {
        if (x3 <= x2 && x3 >= x1 && y3 <= y2 && y3 >= y1)
        {
            if (dist(x3, y3, x2, y2) < dist(x3, y3, x4, y4))
            {
                if (dist(x3, y3, x2, y2) == 0)
                {
                    printf("%.6f", x3);
                    cout << "\n";
                    printf("%.6f", y3);
                    return 0;
                }
                printf("%.6f", x3);
                cout << "\n";
                printf("%.6f", y3);
                cout << "\n";
                printf("%.6f", x2);
                cout << "\n";
                printf("%.6f", y2);
            }
            else
            {
                if (dist(x3, y3, x4, y4) == 0)
                {
                    printf("%.6f", x3);
                    cout << "\n";
                    printf("%.6f", y3);
                    return 0;
                }
                printf("%.6f", x3);
                cout << "\n";
                printf("%.6f", y3);
                cout << "\n";
                printf("%.6f", x4);
                cout << "\n";
                printf("%.6f", y4);
            }
            return 0;
        }
        if (x4 <= x2 && x4 >= x1 && y4 <= y2 && y4 >= y1)
        {
            if (dist(x4, y4, x1, y1) < dist(x3, y3, x4, y4))
            {
                if (dist(x4, y4, x1, y1) == 0)
                {
                    printf("%.6f", x4);
                    cout << "\n";
                    printf("%.6f", y4);
                    return 0;
                }
                printf("%.6f", x1);
                cout << "\n";
                printf("%.6f", y1);
                cout << "\n";
                printf("%.6f", x4);
                cout << "\n";
                printf("%.6f", y4);
            }
            else
            {
                if (dist(x4, y4, x3, y3) == 0)
                {
                    printf("%.6f", x4);
                    cout << "\n";
                    printf("%.6f", y4);
                    return 0;
                }
                printf("%.6f", x3);
                cout << "\n";
                printf("%.6f", y3);
                cout << "\n";
                printf("%.6f", x4);
                cout << "\n";
                printf("%.6f", y4);
            }
            return 0;
        }
        cout << "Empty";
        return 0;
    }
    x = -(b2 * c1 - b1 * c2) / (a1 * b2 - a2 * b1);
    y = -(a1 * c2 - a2 * c1) / (a1 * b2 - a2 * b1);
    if (x <= max(x2, x1) && x >= min(x1, x2) && y <= max(y2, y1) && y >= min(y1, y2) && x <= max(x4, x3) && x >= min(x3, x4) && y <= max(y4, y3) && y >= min(y3, y4))
    {
        printf("%.6f", x);
        cout << "\n";
        printf("%.6f", y);
    }
    else
        cout << "Empty";
    return 0;
}