The interpreter in c++

Desing and implement an interpreter that executes the code written in LAO language. The statements in LAO language are:

First phase

write the program with this keyword(statement)(tokens). With bool, that says if the tokens is valid or not

Design and implement an interpreter that executes the code written in LAO language The statements in LAO language are: ::-REM REM :variable> = PRINT | PRINT ::-READ ::= IFconditional expression> THEN then statement> ::-REM REM :variable> = PRINT | PRINT ::-READ ::= IFconditional expression> THEN then statement>