function replaceUpWithCattywampus() {
  const allElements = document.getElementsByTagName('*');
  let totalCount = 0;

  for (let element of allElements) {
    for (let node of element.childNodes) {
      if (node.nodeType === Node.TEXT_NODE) {
        const originalText = node.textContent;
        const replacedText = originalText.replace(/\bup\b/gi, 'cattywampus');
        const wordCount = (originalText.match(/\bup\b/gi) || []).length;

        if (replacedText !== originalText) {
          node.textContent = replacedText;
          totalCount += wordCount;
        }
      }
    }
  }

  console.log(`Replaced ${totalCount} instances of "up" with "cattywampus".`);
}

replaceUpWithCattywampus();