20

#include <iostream>
#include <cmath>


using namespace std;

double y(double x){
    return (1/(x+7.0))+ log(1-abs(x));
}

int main()
{
    double x,h;
    double b;
    cout<<"vvedite a ";
    cin>>x;
    cout<<"vvedite b ";
    cin>>b;
    cout<<"vvedite shag ";
    cin>>h;
    while(x<=b){
        if(x==-7||abs(x)>=1){
            cout<<"pri x="<<x<<" "<<"func ne opredelena"<<endl;
            x+=h;
        }
        else{
            cout<<"x="<<x<<"   "<<"y="<<y(x)<<"   "<<endl;
            x+=h;
        }
    }
    return 0;
}