Producto - Ejercicio de Programacion C# Sharp

using System; // Importing the System namespace to use Console functionalities

class Program
{
    // Main method where the program execution begins
    static void Main()
    {
        // Prompt the user to enter the first integer number
        Console.Write("Enter the first number: ");
        int num1 = int.Parse(Console.ReadLine()); // Read and convert the input to an integer

        // Prompt the user to enter the second integer number
        Console.Write("Enter the second number: ");
        int num2 = int.Parse(Console.ReadLine()); // Read and convert the input to an integer

        int result = 0; // Initialize a variable to store the result of the multiplication

        // Loop to add the first number num2 times
        for (int i = 1; i <= Math.Abs(num2); i++) // Loop from 1 to the absolute value of num2
        {
            result += num1;  // Add num1 to result in each iteration
        }

        // If num2 is negative, the result should be negative as well
        if (num2 < 0)
        {
            result = -result; // Negate the result if num2 is negative
        }

        // Display the result of the multiplication
        Console.WriteLine($"The product of {num1} and {num2} is: {result}");
    }
}

 Salida

Case 1:
Enter the first number: 5
Enter the second number: 3
The product of 5 and 3 is: 15

Case 2:
Enter the first number: 7
Enter the second number: 4
The product of 7 and 4 is: 28

Case 3:
Enter the first number: 9
Enter the second number: -2
The product of 9 and -2 is: -18