
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    }

} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    }

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

    } main {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    } Scanner input = new Scanner(System.in); input new Scanner(System.in) String n = input.next(); n input.next() input.next input if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        } n.equals("ABC") n.equals n "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 public class Main {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    }

} public class Main {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    }

} Main

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String n = input.next();
        if (n.equals("ABC")) {
            System.out.println("ARC");
        } else {
            System.out.println("ABC");
        }

    }

}
