Sanalista

import java.util.ArrayList;
import java.util.Scanner;
 
public class Main {
    static Scanner scanner = new Scanner(System.in);
 
    public static void main(String[] args) {
        int length = Integer.parseInt(scanner.nextLine());
        int evenWords = 0;
        for (int ask = 0; ask < length; ask++) {
            String word = scanner.nextLine();
            boolean evenWord = true;
            ArrayList<Boolean> bools = new ArrayList<>();
            for (String letter : word.split("")) {
                boolean evenLetter = false;
                int letterAmount = 0;
                for (String letter2 : word.split("")){
                    if (letter2.equals(letter)){
                        letterAmount++;
                    }
                }
                if (letterAmount % 2 == 0) {
                    evenLetter = true;
                } else {
                    evenLetter = false;
                }
                bools.add(evenLetter);
                if (letter.equals(word.split("")[word.split("").length - 1])) {
                    for (boolean bool : bools) {
                        if (!bool) {
                            evenWord = false;
                        }
                    }
                }
            }
            if (evenWord) {
                evenWords++;
            }
        }
        System.out.println(evenWords);
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED