using System;
 
public class Test
{
    public static void tekaTekiTeko(uint batas)
    {
        if (batas < 20)
        {
            throw new ArgumentOutOfRangeException(nameof(batas), "Batas minimal bernilai 20");
        }
 
        string ans = "";
        for (int i = 1; i <= batas; i++)
        {
            if (i % 2 == 0) ans += "Teka";
            if (i % 3 == 0) ans += "Teki";
            if (i % 5 == 0) ans += "Teko";
 
            Console.WriteLine(ans == "" ? i.ToString() : ans);
 
            ans = "";
        }
 
 
    }
	public static void Main()
    {
        tekaTekiTeko(30);
    }
}
 

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