#include <iostream>
#include "math.h"

using namespace std;

int main()
{
 double x, b, a, y;
 cout << "Enter number x=" << endl;
 cin >> x;
 cout << "Enter number b=" << endl;
 cin >> b;
 cout << "Enter number a=" << endl;
 cin >> a;
 if (x>=7)
 {
     y = abs(x/b)/a;
 }
 if (x<=-8)
 {
     y = x/(sqrt(b)*a);
 }
 if (-6<x<1)
 {
     y = x/a;
 }

 cout << "Number y=" << y << endl;
 return 0;

}