import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;


public class Suma {
	int a;
	int b;
	public void readData(String filename) {
		BufferedReader reader;
		try {
			reader = new BufferedReader(new FileReader(
					filename));
			String text = null;
			text = reader.readLine();
			a = Integer.parseInt(text);
			text = reader.readLine();
			b = Integer.parseInt(text);
			reader.close();

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	public static void main(String[] args) {
		Suma sum=new Suma();
		sum.readData("adunare.in");
		int suma=sum.a+sum.b;
		BufferedWriter writer;
		
		try { 
			writer = new BufferedWriter(new FileWriter("adunare.out"));
			writer.write(Integer.toString(suma));
			writer.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}