using System;
using System.Text;


internal class Program
{
    private static void Main(string[] args)
    {
        Console.WriteLine("d".Repeat(5));
    }
}

internal static class Extensions
{
    public static string Repeat(this string str, int n)
    {
        if (n <= 0) return String.Empty;
        var sb = new StringBuilder();
        while (n-- > 0)
            sb.Append(str);
        return sb.ToString();

    }
}