import java.util.HashMap;
import java.util.Map;
import java.util.*;
 
public class Main {
    public static void main(String[] args) {
        List<String>strList = new ArrayList<>();
        HashMap<Integer, String> data = new HashMap<>();
        data.put(1, "A"); data.put(2, "B"); data.put(3, "C");
        for(Map.Entry<Integer, String> entry: data.entrySet()) {
            for (int i = 0; i < entry.getKey(); i++) {
                strList.add(entry.getValue() + "ページ");
            }
        }
        System.out.println("計" + strList.size() + "ページ");
        for(String str: strList) {
            System.out.println(str);
        }
    }
}
 

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