//2
#include <iostream>
#include <cmath>
using namespace std;

int main()
{ float x,y,dist,xmax=0,ymax=0,max=0;
  float count12=0,sum=0,countcircle=0,average;
  cout<<"Dose x,y  ";
  cin>>x>>y;
  while (x!=0 || y!=0) {
  	dist=sqrt(x*x+y*y);
  	if (y>0 && dist>max) {max=dist;count12++;xmax=x;ymax=y;}
  	if (dist<2) {sum=sum+dist;countcircle++;}
    cout<<"Dose x,y  ";
    cin>>x>>y;	
    }
  
  if (count12>0) cout << max << "(" << xmax << "," << ymax << ")" << endl; 
  else  cout << "NO points I II" << endl; 
  if (countcircle>0) {average=(float ) sum/countcircle; cout << average << endl;} 
  else  cout << "NO points in circle" << endl; 
  
    system("PAUSE"); 
    return 0;
}