using System;
 
public class Test
{
	public static void Main()
	{
		Console.Write("Masukan Batas Looping : ");
		try
		{
		    int batas = Convert.ToInt32(Console.ReadLine());
		    if (batas < 20)
		    {
		        Console.WriteLine("Batas harus lebih besar dari 20");
		        return;
		    }
		    for (int i = 1; i <= batas; i++)
		    {
		        string output = "";
 
		        if (i % 2 == 0) output += "Teka";
		        if (i % 3 == 0) output += "Teki";
		        if (i % 5 == 0) output += "Teko";
 
		        Console.WriteLine(string.IsNullOrEmpty(output) ? i.ToString() : output);
		    }
		}
		catch (Exception ex)
		{
		    Console.WriteLine("Terjadi kesalahan, hanya bisa inputkan angka: " + ex.Message);
		}
	}
}
 

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MjA=

20