// input checker probH - ECNA2015

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

double dist(int a, int b, int c, int d){
  return(sqrt((a-c)*(a-c) + (b-d)*(b-d)));
}

int main(){

  int w,l;
  int r, x1,y1,x2,y2,x3,y3,h;

  cin>>w>>l;
      if(w>120 || l>120) { cout<<"table too big"; return 1; }

      cin>>r>>x1>>y1>>x2>>y2>>x3>>y3>>h;

      //balls overlap?
      if (dist(x1,y1,x2,y2)<2*r) { cout<<"1 and 2 overlap"; return 2; }
      if (dist(x1,y1,x3,y3)<2*r) { cout<<"1 and 3 overlap"; return 3; }
      if (dist(x3,y3,x2,y2)<2*r) { cout<<"3 and 2 overlap"; return 4; }
      
      //balls on table?
      if (x1-r<0 || x1+r>w || y1+r>l) { cout<<"ball 1 off table"; return 5; }
      if (x2-r<0 || x2+r>w || y2+r>l) { cout<<"ball 2 off table"; return 6; }
      if (x3-r<0 || x3+r>w || y3+r>l) { cout<<"ball 3 off table"; return 7; }

      //above h line?
      if(y1-r<h) { cout<<"ball 1 below h line"; return 8; }
      if(y2-r<h) { cout<<"ball 2 below h line"; return 9; }
      if(y3-r<h) { cout<<"ball 3 below h line"; return 10; }
     
return 42;
}