Scanner scanner = new Scanner(System.in); int side

  Scanner scanner = new Scanner(System.in);
        int sideA = Integer.parseInt(scanner.nextLine());
        int sideB = Integer.parseInt(scanner.nextLine());
        int sideC = Integer.parseInt(scanner.nextLine());

        if (sideB + sideC > sideA)
            System.out.println("Valid Triangle");

        else if (sideA + sideC > sideB)
            System.out.println("Valid Triangle");

        else if (sideA + sideB > sideC)
            System.out.println("Valid Triangle");

        else
            System.out.println("Invalid Triangle");