#include <iostream>
using namespace std;
int main() {
int k,y,x,b,R;
cout << "Input k,b and R values:"<<endl;
cin>>k>>b>>R;
//computing
if(k!=0)
{
x=(R-b)/k;
y=k*x+b;
if(x>0 && y>0)
cout<<"the intersection point is in the 1s quandrant"<<endl;
else if(x>0 && y<0)
cout<<"the intersection point is in the 4nd quandrant"<<endl;
else if(x<0 && y>0)
cout<<"the intersection point is in the 2rd quandrant"<<endl;
else
cout<<"the intersection point is in the 3th quandrant"<<endl;
}else
{
y=b;
if(y==R)
cout<<"The line touch the circle."<<endl;
else
cout<<"there's no intersection point."<<endl;
}
return 0;
}
