package main
 
import (
	"errors"
	"fmt"
)
 
// batas untuk atur berapa batas
func tekaTekiTeko(batas uint) error {
	// parameter ini di validasi agar kurnag 20 akan error.
	if batas < 20 {
		return errors.New("parameter 'batas' harus memiliki tipe data unsigned integer dan memiliki nilai paling sedikit 20")
	}
 
	// melakukan perulangan
	for i := 1; i <= int(batas); i++ {
		output := "" 
 
 
		if i%2 == 0 {
			output += "Teka"
		}
		if i%3 == 0 {
			output += "Teki"
		}
		if i%5 == 0 {
			output += "Teko"
		}
 
		if output == "" {
			fmt.Println(i)
		} else {
 
			fmt.Println(output)
		}
	}
 
	return nil
}
 
func main() {
	fmt.Println("HAsil untuk batas 30 sesuai dengan pertanyaan")
	err := tekaTekiTeko(30)
	if err != nil {
		fmt.Println("Error:", err)
	}
 
	fmt.Println("Hasil untuk batas kurang dari 20")
	err = tekaTekiTeko(15)
	if err != nil {
		fmt.Println("Error:", err)
	}
 
	fmt.Println("Hasil Untuk sama dengan batas")
	err = tekaTekiTeko(20)
	if err != nil {
		fmt.Println("Error:", err)
	}
 
	fmt.Println("hasil untuk batas = 0")
	err = tekaTekiTeko(0)
	if err != nil {
		fmt.Println("Error:", err)
	}
}

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