async function sellDuplicates() {
  const response = await fetch('https://api.blooket.com/api/users/blooks', {
    headers: {
      "content-type": "application/json",
      "X-Blooket-Build": "0"
    }
  });
  
  if (!response.ok) {
    alert('Failed to get Blooks');
    return;
  }
  
  const blooks = await response.json();
  const duplicates = Object.entries(blooks).filter(([_, count]) => count > 1);
  
  for (const [blook, count] of duplicates) {
    const sellResponse = await fetch('https://api.blooket.com/api/users/sellblook', {
      method: "PUT",
      headers: {
        "content-type": "application/json",
        "X-Blooket-Build": "0"
      },
      body: JSON.stringify({
        blook,
        amount: count - 1
      })
    });
    
    if (!sellResponse.ok) {
      alert('Failed to sell duplicates');
      return;
    }
    
    await new Promise(resolve => setTimeout(resolve, 750));
  }
  
  alert('Successfully sold all duplicates!');
}

sellDuplicates();