import java.util.Scanner;

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

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