Character Selection Code

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given one non-whitespace ASCII character c, recognize uppercase R, G, and B as RED, GREEN, and BLUE. Any other character is OTHER; lowercase letters are distinct.

Input

One line contains a visible non-whitespace ASCII character (codes 33 through 126).

Output

Print RED for R, GREEN for G, BLUE for B; otherwise OTHER.

Subtasks

• Subtask 1 (20 points): Character is one of R, G or B.

• Subtask 2 (30 points): Character is an uppercase letter A through Z.

• Subtask 3 (50 points): Character is visible ASCII with code from 33 to 126.

Examples

Example 1

Input

G

Output

GREEN

Explanation

Uppercase G matches its case and prints GREEN.

Example 2

Input

g

Output

OTHER

Explanation

Lowercase g differs from uppercase G and maps to OTHER.