process.stdin.resume();
process.stdin.setEncoding('utf8');
 
/**
 * Menggunakan JSDOC karena tidak ada Typescript di ideone.com.
 * Solusi ini menggunakan Node.js.
 * 
 * @param {string} kataPertama
 * @param {string} kataKedua
 * @returns {boolean}
 */
function punyaHuruf(kataPertama, kataKedua) {
  if (typeof kataPertama !== 'string' || typeof kataKedua !== 'string') {
    return false;
  }
 
  kataPertama = kataPertama.trim().toLowerCase();
  kataKedua = kataKedua.trim().toLowerCase();
 
  if (kataPertama === '' || kataKedua === '') {
    return false;
  }
 
  for (const huruf of kataPertama) {
    if (!kataKedua.includes(huruf)) {
      return false;
    }
  }
 
  return true;
}
 
// console.log(punyaHuruf('cat', 'antarctica'));
// console.log(punyaHuruf('cat', 'australia'));
// console.log(punyaHuruf('cat', 'ANTARCTICA'));

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