function tekaTekiTeko(batas) {
  // Validasi tipe data dan nilai batas
  if (!Number.isInteger(batas) || batas < 20 || batas < 0) {
    throw new Error("Parameter harus unsigned integer dengan nilai minimal 20");
  }
 
  for (let i = 1; i <= batas; i++) {
    let output = "";
 
    if (i % 2 === 0) output += "Teka";
    if (i % 3 === 0) output += "Teki";
    if (i % 5 === 0) output += "Teko";
 
    console.log(output || i);
  }
}
 
// Contoh pemanggilan
tekaTekiTeko(30);

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