<<< native
[ ENumber "5"
, ESymbol Bin "+"
, ENumber "31"
, ESymbol Bin "+"
, ENumber "0"
, ESymbol Bin "+"
, ENumber "14"
, ESymbol Bin "+"
, ENumber "123456789"
]
>>> tex
5 + 31 + 0 + 14 + 123456789