import java.util.Scanner;

public class Main {
    public static void main(String args[]) {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String args[]) {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    }
} Main public static void main(String args[]) {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    } main {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    } Scanner scan = null; scan null try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        } {
            scan.close();
        } scan.close() scan.close scan {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } scan = new Scanner(System.in) scan new Scanner(System.in) String str = scan.nextLine(); str scan.nextLine() scan.nextLine scan if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            } str != null && str.equals("ABC") str != null str null str.equals("ABC") str.equals str "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 scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    }
} public class Main {
    public static void main(String args[]) {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String args[]) {
        Scanner scan = null;
        try {
            scan = new Scanner(System.in);
            String str = scan.nextLine();
            if (str != null && str.equals("ABC")) {
                System.out.println("ARC");
            } else {
                System.out.println("ABC");
            }
        } finally {
            scan.close();
        }
    }
}
