class Main{public static void main(String[]a){System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC");}} class Main{public static void main(String[]a){System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC");}} Main public static void main(String[]a){System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC");} main {System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC");} System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC") System.out.print System.out System System.out new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC" new java.util.Scanner(System.in).next().equals("ABC") new java.util.Scanner(System.in).next().equals new java.util.Scanner(System.in).next() new java.util.Scanner(System.in).next new java.util.Scanner(System.in) "ABC" "ARC" "ABC" String[]a a
class Main{public static void main(String[]a){System.out.print(new java.util.Scanner(System.in).next().equals("ABC")?"ARC":"ABC");}}