No tag edit access

B. Eight Point Sets

time limit per test

1 secondmemory limit per test

256 megabytesinput

standard inputoutput

standard outputGerald is very particular to eight point sets. He thinks that any decent eight point set must consist of all pairwise intersections of three distinct integer vertical straight lines and three distinct integer horizontal straight lines, except for the average of these nine points. In other words, there must be three integers *x*_{1}, *x*_{2}, *x*_{3} and three more integers *y*_{1}, *y*_{2}, *y*_{3}, such that *x*_{1} < *x*_{2} < *x*_{3}, *y*_{1} < *y*_{2} < *y*_{3} and the eight point set consists of all points (*x*_{i}, *y*_{j}) (1 ≤ *i*, *j* ≤ 3), except for point (*x*_{2}, *y*_{2}).

You have a set of eight points. Find out if Gerald can use this set?

Input

The input consists of eight lines, the *i*-th line contains two space-separated integers *x*_{i} and *y*_{i} (0 ≤ *x*_{i}, *y*_{i} ≤ 10^{6}). You do not have any other conditions for these points.

Output

In a single line print word "respectable", if the given set of points corresponds to Gerald's decency rules, and "ugly" otherwise.

Examples

Input

0 0

0 1

0 2

1 0

1 2

2 0

2 1

2 2

Output

respectable

Input

0 0

1 0

2 0

3 0

4 0

5 0

6 0

7 0

Output

ugly

Input

1 1

1 2

1 3

2 1

2 2

2 3

3 1

3 2

Output

ugly

Codeforces (c) Copyright 2010-2018 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: Mar/18/2018 22:04:27 (d2).

Desktop version, switch to mobile version.

User lists

Name |
---|