1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <string>
 5 #include <algorithm>
 6 #include <cmath>
 7 #include <vector>
 8 #include <queue>
 9 #include <map>
10 #include <stack>
11 #include <set>
12 using namespace std;
13 typedef long long LL;
14 #define ms(a, b) memset(a, b, sizeof(a))
15 #define pb push_back
16 #define mp make_pair
17 #define eps 0.0001
18 const LL INF = 0x7fffffff;
19 const int inf = 0x3f3f3f3f;
20 const int mod = 1e9+7;
21 const int maxn = 100000+10;
22 int n, cnt;
23 struct POINT
24 {
25     double x, y, z;
26     POINT():x(0), y(0), z(0){};
27     POINT(double _x_, double _y_, double _z_ = 0):x(_x_), y(_y_), z(_z_) {};
28 };
29 struct SEG
30 {
31     POINT a;
32     POINT b;
33     SEG(){};
34     SEG(POINT _a_, POINT _b_):a(_a_),b(_b_) {};
35 };
36 double Cross(const POINT &a, const POINT & b, const POINT &o)//叉乘
37 {
38     return (a.x - o.x)*(b.y - o.y) - (b.x - o.x)*(a.y - o.y);
39 }
40 bool IsIntersect(const SEG &u, const SEG &v)
41 {
42     return (Cross(v.a, u.b, u.a)*Cross(u.b, v.b, u.a)>=0)&&
43         (Cross(u.a, v.b, v.a)*Cross(v.b, u.b, v.a)>=0)&&
44         (max(u.a.x, u.b.x) >= min(v.a.x, v.b.x))&&
45         (max(v.a.x, v.b.x) >= min(u.a.x, u.b.x))&&
46         (max(u.a.y, u.b.y) >= min(v.a.y, v.b.y))&&
47         (max(v.a.y, v.b.y) >= min(u.a.y, u.b.y));
48 }
49 int ans[maxn];
50 SEG stick[maxn];
51 void init()
52 {
53     cnt = 0;
54 }
55 void solve() {
56     double a, b, c, d;
57     for(int i = 1;i<=n;i++){
58         scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
59         stick[i].a.x=a;stick[i].a.y=b;
60         stick[i].b.x=c;stick[i].b.y=d;
61     }
62     for(int i = n;i>0;i--){
63         bool flag = 1;
64         for(int j = i+1;j<=n;j++){
65             if(IsIntersect(stick[i], stick[j])){
66                 flag = 0;
67                 break;
68             }
69         }
70         if(flag){
71             ans[cnt++] = i;
72         }
73         if(cnt>=1000){
74             break;
75         }
76     }
77     printf("Top sticks:");
78     for(int i = cnt-1;i>=0;i--){
79         if(i==0)    printf(" %d.",ans[i]);
80         else printf(" %d,",ans[i]);
81     }
82     printf("\n");
83 }
84 int main() {
85 #ifdef LOCAL
86     freopen("input.txt", "r", stdin);
87 //        freopen("output.txt", "w", stdout);
88 #endif
89     while(~scanf("%d", &n)&&n){
90         init();
91         solve();
92     }
93     return 0;
94 }