please write in c language

and explain all steps

In this project you have to generate the lexical and parser phases using LEX or FLEX \& YACC tools. To apply these tools, you have to follow these steps: Step 1: Download and install VirtualBox. Step 2: Install Ubuntu on VirtualBox as Linux operating system. Step 3: Install lex or flex \& yacc on Ubuntu. Now write the program and produce the tokens by lex tool. 1. This is the below program and the desired output should produce tokens: If the source to the Micro Compiler is: beginread(y+z)x:y+zwrite(x)cnd5 the output of the lexical analyzer phase of the Micro Compiler shoold bok like thin? BEGIN RRAD L.PAREV ID PLASOPID RPAREV SEMICOLOV ID NSSIGOH ID SEMICOION WRITE I.PAREN ID FPAREV SEMICOI,ON FND DOI.I.ARSIGN 2. Write a program using LEX tool to identify characters and digits in a string. The string will be taken as input from the user 3. Write a program using LEX tool to identify that the email iD entered by the user is correct. or not. The email ID will be taken as input from the user