///1.3.6.1
using System;

namespace homework
{
	class Program
	{
		public static void Main(string[] args)
		{
			Console.WriteLine(SomeMul(10,20));
			Console.WriteLine(SomeMul(10,20)*10);
			Console.Write("Press any key to continue . . . ");
			Console.ReadKey(true);
		}

		public static int SomeMul (int first, int second = 10)
		{
			int rezultat = first * second;
			return rezultat;
		}
	}
}