
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        String sr;
        Scanner scan = new Scanner(System.in);
        sr = scan.nextLine();
        scan.close();

        if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }
    }
} import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
        String sr;
        Scanner scan = new Scanner(System.in);
        sr = scan.nextLine();
        scan.close();

        if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }
    }
} Main public static void main(String[] args) {
        String sr;
        Scanner scan = new Scanner(System.in);
        sr = scan.nextLine();
        scan.close();

        if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }
    } main {
        String sr;
        Scanner scan = new Scanner(System.in);
        sr = scan.nextLine();
        scan.close();

        if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }
    } String sr; sr Scanner scan = new Scanner(System.in); scan new Scanner(System.in) sr = scan.nextLine() sr scan.nextLine() scan.nextLine scan scan.close() scan.close scan if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        } sr.equals("ABC") sr.equals sr "ABC" {
            System.out.println("ARC");
        } System.out.println("ARC") System.out.println System.out System System.out "ARC" {
            System.out.println("ABC");
        } System.out.println("ABC") System.out.println System.out System System.out "ABC" String[] args args

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        String sr;
        Scanner scan = new Scanner(System.in);
        sr = scan.nextLine();
        scan.close();

        if(sr.equals("ABC")){
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }
    }
}