import java.util.Scanner;

public class ValueOfExample {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter first number: ");
        String firstValue = scanner.next();
        System.out.print("Enter second number: ");
        String secondValue = scanner.next();

        int indexFirstValue = firstValue.indexOf(",");
        if (indexFirstValue >= 0) {
            System.out.println("Comma in first number is located at position: " + firstValue.indexOf(","));
        }

        int indexSecondValue = secondValue.indexOf(",");
        if (indexSecondValue >= 0) {
            System.out.println("Comma in second number is located at position: " + secondValue.indexOf(","));
        }

        System.out.println(Double.valueOf(firstValue.replace(",", ".")) + " + " + Double.valueOf(secondValue.replace(",", ".")) + " = "
                + (Double.valueOf(firstValue.replace(",", ".")) + Double.valueOf(secondValue.replace(",", "."))));

    }
}