100 #ABC053A. [ABC053A] ABC/ARC

[ABC053A] ABC/ARC

Score : 100100 points

Problem Statement

Smeke has decided to participate in AtCoder Beginner Contest (ABC) if his current rating is less than 12001200, and participate in AtCoder Regular Contest (ARC) otherwise.

You are given Smeke's current rating, xx. Print ABC if Smeke will participate in ABC, and print ARC otherwise.

Constraints

  • 1x3,0001 \leq x \leq 3{,}000
  • xx is an integer.

Input

The input is given from Standard Input in the following format:

xx

Output

Print the answer.

1000
ABC

Smeke's current rating is less than 12001200, thus the output should be ABC.

2000
ARC

Smeke's current rating is not less than 12001200, thus the output should be ARC.