# your code goes here
function = ['6005', '6110', '6016', '6104', '6151', '6008', '6112', '6062', '6018', [], '6024', [], '6018', '6012', '6027', '6147', '6028', '6027', '6155', '6004']
indices = [i for i, x in enumerate(function ) if x == [] ]
print indices
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCgpmdW5jdGlvbiA9IFsnNjAwNScsICc2MTEwJywgJzYwMTYnLCAnNjEwNCcsICc2MTUxJywgJzYwMDgnLCAnNjExMicsICc2MDYyJywgJzYwMTgnLCBbXSwgJzYwMjQnLCBbXSwgJzYwMTgnLCAnNjAxMicsICc2MDI3JywgJzYxNDcnLCAnNjAyOCcsICc2MDI3JywgJzYxNTUnLCAnNjAwNCddCmluZGljZXMgPSBbaSBmb3IgaSwgeCBpbiBlbnVtZXJhdGUoZnVuY3Rpb24gKSBpZiB4ID09IFtdIF0KcHJpbnQgaW5kaWNlcw==