#include <stdafx.h>
#include <iostream>
#include <math.h>
#include <iomanip>

using namespace std;

int main()
{
    int x, y, x1, y1, x2, y2;

    cin >> x >> y >> x1 >> y1 >> x2 >> y2;

    float l1 = sqrt((float)((x - x1)*(x - x1) + (y - y1)*(y - y1)));
    float l2 = sqrt((float)((x - x2)*(x - x2) + (y - y2)*(y - y2)));
    float l3 = sqrt((float)((x2 - x1)*(x2 - x1) + (y2 - y1)*(y2 - y1)));

    float p = (l1 + l2 + l3) / 2;
    float s = sqrt((float)(p*(p - l1)*(p - l2)*(p - l3)));
    float h = 2 * s / l3;
    if ((l1*l1 + l3 * l3 - l2 * l2 >= 0) && (l2*l2 + l3 * l3 - l1 * l1 >= 0)) {
        cout << setprecision(4) << fixed << h;
        cout <<"sosi1"<< endl ;
    }
    else {
        cout << "sosi2" << endl;
        if (l1 < l2) {
            cout << setprecision(4) << fixed << l1;
        }
        else {
            cout << setprecision(4) << fixed << l2;
        }
    }
    system("pause");
    return 0;
}