import static java.lang.Integer.sum;
import java.util.Scanner;
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Week2 {

    public static void main(String[] args) {
      Scanner reader = new Scanner(System.in);
            int sum = 0;
            int read;

            // USE ONLY THE VARIABLES sum, reader AND read!\\


            System.out.println("Erste Zahl: ");
            read = Integer.parseInt(reader.nextLine());

            System.out.println("Zweite Zahl: ");
            int read2 = Integer.parseInt(reader.nextLine());

            System.out.println("Dritte Zahl: ");
            int read3 = Integer.parseInt(reader.nextLine());

            System.out.println("Sum: " + (read + read2 + read3));
    }

}