Using the method of looping, write a program to print the table of 9 till N in the format as follows: (N is input by the user)

Using the method of looping, write a program to print the table of 9 till N in the format as follows:
(N is input by the user)

9 18 27...

Print NULL if 0 is input

Input Description:
A positive integer is provided as an input.

Output Description:
Print the table of nine with single space between the elements till the number that is input.

Sample Input :
3

Sample Output :
9 18 27

const readline = require('readline');
 const inp = readline.createInterface({
  input: process.stdin
 });
 const userInput = [];
 inp.on("line", (data) => {
 userInput.push(data);
 });
 inp.on("close", () => {
 var data = userInput[0].split(" ");
 var N = parseInt(data[0]);
 var a=[];
for(i=1;i<=N;i++)
{a[i-1]=9*i;}
var b="";
for(i=0;i<N;i++)
{if(i==N-1)
  b=b+a[i]
    
else
  (b=b+a[i]+" ")
}

console.log(b)
 });