Iteration1.js

"use strict";

process.stdin.resume();
process.stdin.setEncoding("utf-8");

let inputString = "";
let currentLine = 0;

process.stdin.on("data", (inputStdin) => {
  inputString += inputStdin;
});

process.stdin.on("end", (_) => {
  inputString = inputString
    .trim()
    .split("\n")
    .map((string) => {
      return string.trim();
    });

  main();
});

function readLine() {
  return inputString[currentLine++];
}

function modifyArray(nums) {
  return nums.map((a) => {
    if (a % 2 == 0) return a * 2;
    else return a * 3;
  });
}

/*
 * This is a basic usage of arrow functions (lambda) in Js.
 */

function main() {
  const n = +readLine();
  const a = readLine().split(" ").map(Number);

  console.log(modifyArray(a).toString().split(",").join(" "));
}