Using BNF description, write the grammar rules for this programming language.

Declaration statements; (e.g., int x; double x; int array A[1..n-1]; double array A[1..n-1]; char x; )

read and write statement; (Consider only primitive read and write.)

assignment statement;

if-then-else statement and if-then statement; and

while-do statement;

Composition statement; i.e., statement; statement(s);