Question No 4

import java.io.*;
import java.util.Scanner;
import java.util.regex.*;

public class Source {
    public static void main(String[] args) throws Exception {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        
        Attendance obj1 = new Attendance();
        System.out.println(obj1.checkRecord(str));
    }
}

class Attendance {
    public String checkRecord(String str) {
        if (str.isEmpty()) {
            return "Not Eligible";
        }

        int strSize = str.length();
        int countA = 0;
        for (int i = 0; i < strSize; ++i) {
            if (str.charAt(i) == 'A') {
                if (countA >= 1) {
                    return "Not Eligible";
                }
                ++countA;
            }
        }

        return "Eligible";
    }
}