Problem Description

The color of a user's name on Luogu is directly linked to their咕值 (Guzhi), detailed rules can be found in the Luogu Guzhi System Introduction.

Given the scores of a Luogu user's five Guzhi indicators, output the color of the user's name. It is guaranteed that the user is neither brown nor purple.

Input Format

A single line containing five integers, representing the user's scores in basic credit, community contribution, competition performance, practice performance, and achievement acquisition.

Output Format

A single line containing a string, representing the color of the user's name. This string must be one of Gray, Blue, Green, Orange, Red (case-sensitive).

Sample Input and Output

Sample Input #1

100 14 9 55 85

Sample Output #1

Red

Sample Input #2

100 10 10 10 10

Sample Output #2

Green

Sample Input #3

0 0 0 0 0

Sample Output #3

Gray

Notes

[Sample Explanation]

The Guzhi scores for the three samples are $263, 140, 0$, respectively, with name colors red, green, and gray.

[Data Range]

For $20\%$ of the data, all five indicator scores are $\le 10$;

For another $20\%$ of the data, all five indicator scores are $\ge 90$;

For $100\%$ of the data, all five indicator scores are guaranteed to be within $[0, 100]$.

见题面 Input 部分

见题面 Output 部分