import java.util.Scanner;

public class Main {
    public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

        System.out.println(S.equals("ABC") ? "ARC" : "ABC");
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

        System.out.println(S.equals("ABC") ? "ARC" : "ABC");
    }
} Main public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

        System.out.println(S.equals("ABC") ? "ARC" : "ABC");
    } main {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

        System.out.println(S.equals("ABC") ? "ARC" : "ABC");
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String S = scanner.next(); S scanner.next() scanner.next scanner System.out.println(S.equals("ABC") ? "ARC" : "ABC") System.out.println System.out System System.out S.equals("ABC") ? "ARC" : "ABC" S.equals("ABC") S.equals S "ABC" "ARC" "ABC" String... args args public class Main {
    public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

        System.out.println(S.equals("ABC") ? "ARC" : "ABC");
    }
} public class Main {
    public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

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

public class Main {
    public static void main(String... args) {
        Scanner scanner = new Scanner(System.in);

        String S = scanner.next();

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