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a = (read-line *standard-input* nil) 
b = (read-line *standard-input* nil) 
(print (+ a b))

Runtime error #stdin #stdout 0.04s 10832KB

stdin

2
3

stdout

Standard output is empty

https://ideone.com/XUbNz

language:

Common Lisp (clisp 2.49.92)

created:

visibility:

public

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