I need the answer as soon as possible. A correct answer will receive a like. Strict warning: AI responses are unacceptable.

BR$15$

"Write code that prints: Ready! countNum $...21$ Blastoff!

Your code should contain a for loop. Print a newline after each number and after each line of text. Ex: If the input is: $3$ the output is: Ready! $321$ Blastoff!

in C$++"$