import java.io.*;

class Demo {
    public static void main(String[] args) {
        BufferedReader in = null;
        PrintWriter out = null;
        int sum = 0;
        try {
            in = new BufferedReader(new FileReader(args[0]));
            out = new PrintWriter(new FileWriter(args[1]));
            String line;
            while ((line = in.readLine()) != null) {
                int n = 0;
                try {
                    n = Integer.parseInt(line);
                } catch (NumberFormatException e) {
                    System.out.println("invalid number");
                }
                sum += n;
                out.println("The sum is " + sum);
            }
            out.println("The sum is " + sum);
            in.close();
            // out.close();
        } catch (IOException e) {
            System.out.println(e);
        }
    }
}