#include <iostream>
#include <cmath>
using namespace std;
const double eps = 1e-12;
double func(double x) {
    return log(x);
}

int main()
{
    cout << "Vvedite tochost" << endl;
    double eps;
    cin >> eps;
    double a,b;
    cout << endl << "Vvedite diapazon" << endl;
    cin >> a >> b;
    double c = (a+b)/2;
    double y1 = func(a);
    double y2 = func(c);
    int fl = 0;
    while (abs(c-a)>eps || y1*y2>0) {
        if (y1*y2 <= 0) {
          c = (a+c)/2;
          y1 = func(a);
          y2 = func(c);
        }
        else {
            a = c;
            c = b;
            y1 = func(a);
            y2 = func(c);
        }
        if (c-a < eps/2 && y1*y2>0) {
            fl = 1;
            break;
        }
    }
    if (fl==1) cout << "Kornei net";
    else cout << a<< "     " << c;
    return 0;
}