rprogn, 33 bytes

Result

WA

Duration

489ms

Code [DL]

read " " split function p end map

stdin

26 26 96
02 76 74
94 20 32
62 04 35

stdout

--------------------
MEMORY DUMP
--------------------
--------------------

stderr

/usr/bin/lua5.3: main.lua:1330: ERROR: "main.lua:724: attempt to call a nil value (method 'gsub')" AT WORD 7, 'map'
stack traceback:
	[C]: in function 'error'
	main.lua:1330: in local 'stuff'
	main.lua:1363: in function 'rpn'
	main.lua:1374: in main chunk
	[C]: in ?

strace