How can a split a line with multiple spaces?

I’m having trouble separating a line that has a different amount in spaces in it so that I can store them.

Example line (there are multiple lines in the file) :

1 9 10 5 24 

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I’m Trying

 val reader = BufferedReader(FileReader(fileName, Charsets.UTF_8)) reader.lines().forEach { val list = it.split("\s+"); //a = list[0].toInt(); //b = list[1].toInt(); //continue for every element of the list.. }