import java.util.Scanner;

public class Main {

    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    }
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    }
} Main public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    } main {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.next(); str scan.next() scan.next scan System.out.println(str.equals("ABC") ? "ARC" : "ABC") System.out.println System.out System System.out str.equals("ABC") ? "ARC" : "ABC" str.equals("ABC") str.equals str "ABC" "ARC" "ABC" String args[] args public class Main {

    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    }
} public class Main {

    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    }
} Main
import java.util.Scanner;

public class Main {

    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        String str = scan.next();

        System.out.println(str.equals("ABC") ? "ARC" : "ABC");
    }
}
