package org.example;

import java.io.*;

record Pair<T, T1>(T a, T1 b) { }

public class Main {
    public static void main(String[] args) {
        try {
            Pair<Integer, Integer> numbers = readNumbersFromFile();
            int sum = numbers.a() + numbers.b();
            writeResultToFile(sum);
        } catch (IOException e) {
            System.exit(1);
        }
    }

    private static Pair<Integer, Integer> readNumbersFromFile() throws IOException {
        InputStream inputStream = Main.class.getClassLoader().getResourceAsStream("adunare.in");

        if (inputStream == null) {
            throw new FileNotFoundException("Resource file adunare.in not found!");
        }

        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
            int a = Integer.parseInt(reader.readLine());
            int b = Integer.parseInt(reader.readLine());
            return new Pair<>(a, b);
        }
    }

    private static void writeResultToFile(int sum) throws IOException {
        try (BufferedWriter writer = new BufferedWriter(new FileWriter("adunare.out"))) {
            writer.write(String.valueOf(sum));
            writer.newLine();
        }
    }
}