lab2_copies

namespace _2020_12_24_lab2
{
    class Program
    {
        static void Copies(string s, ref string s1, int n)
        {
            for (int i = 0; i < n; i++)
                s1 += s;
        }
        static void Main(string[] args)
        {
            string s1 = "something";
            Copies("-blah", ref s1, 3);
            System.Console.WriteLine(s1);
        }
    }
}