import java.util.Scanner;

public class Main {

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