\lstdefinelanguage{SPLCode}{%
alsoletter={ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_1234567890},
- morekeywords={print,isEmpty,if,else,while},
+ morekeywords={print,isEmpty,if,else,while,read},
sensitive=true,
morecomment=[l]{//},
morecomment=[n]{/*}{*/},