shut uppppppp who needs a spouse when you have cats

It doesn't look like there's a limit to the number of tries so theoretically they can input 10,000 numbers in order and get the correct one with enough patience, but 1919, 1517, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018 do not work