Codeforces Round 124 (Div. 2)
E
Paint Tree
Codeforces
未评级
原题
← D→
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You are given a tree with $*n*$ vertexes and $*n*$ points on a plane, no three points lie on one straight line.

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Your task is to paint the given tree on a plane, using the given points as vertexes.

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That is, you should correspond each vertex of the tree to exactly one point and each point should correspond to a vertex. If two vertexes of the tree are connected by an edge, then the corresponding points should have a segment painted between them. The segments that correspond to non-adjacent edges, should not have common points. The segments that correspond to adjacent edges should have exactly one common point.

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Input

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The first line contains an integer $*n*$ ($1 ≤ *n* ≤ 1500$) — the number of vertexes on a tree (as well as the number of chosen points on the plane).

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Each of the next $*n* - 1$ lines contains two space-separated integers $*u*_{*i*}$ and $*v*_{*i*}$ ($1 ≤ *u*_{*i*}, *v*_{*i*} ≤ *n*$, $*u*_{*i*} ≠ *v*_{*i*}$) — the numbers of tree vertexes connected by the $*i*$-th edge.

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Each of the next $*n*$ lines contain two space-separated integers $*x*_{*i*}$ and $*y*_{*i*}$ ($- 10^{9} ≤ *x*_{*i*}, *y*_{*i*} ≤ 10^{9}$) — the coordinates of the $*i*$-th point on the plane. No three points lie on one straight line.

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It is guaranteed that under given constraints problem has a solution.

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Output

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Print $*n*$ distinct space-separated integers from $1$ to $*n*$: the $*i*$-th number must equal the number of the vertex to place at the $*i*$-th point (the points are numbered in the order, in which they are listed in the input).

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If there are several solutions, print any of them.

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Note

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The possible solutions for the sample are given below.

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image image

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样例

Input #1
3
1 3
2 3
0 0
1 1
2 0
Output #1
1 3 2
InputCopy OutputCopy
Input #2
4
1 2
2 3
1 4
-1 -2
3 5
-3 3
2 0
Output #2
4 2 1 3
InputCopy OutputCopy
题目信息
题号
197E
时间限制
2 s
内存限制
256 MB

题面与样例版权归 Codeforces 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。