start       : declaration                  #declarationStatement
            ;

declaration : type VARIABLE EQ value       #variableDeclaration
            ;

type        : INT                           #typeInt
            | FLOAT                         #typeFloat
            | STRING                        #typeString
            ;

value       : INT_NUMBER                    #valueInt
            | FLOAT_NUMBER                  #valueFloat
            | STRING_TEXT                   #valueString
            ;