using System;

public class Program

{

    public static void Main()

    {

        int a = 5, b = 6, result_sum = 0, result_prod = 0;

        Calculate( a, b, out result_sum, out result_prod );

        Console.WriteLine( $"A: {a} B: {b} Sum: {result_sum} Prod: {result_prod}");

    }

    public static void Calculate( int a, int b, out int sum, out int prod )

    {

        sum = a+b;

        prod = a*b;

    }

}