24333
When the Portuguese first came to Malacca , they found a large colony of Javanese merchants under their own headmen ; the Javanese were manufacturing their own cannon , which then , and for long after , were as necessary to merchant ships as sails .
 Malacca
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Malacca