HackerRank NodeJS Boilterplate Code

HackerRank.NodeJS.boilterplate.code.js

process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

// Before attempting any HackerRank question
// This boilerplate code has to be added to it
// HackerRank has managed to live so many years
// Yet, it still requires this much boilerplate
// code set up to just do what? A + B ?
// ...
// What a shame.. 
// what a shame..
//
// Guess those zillion dollar fundings were useful
// for what?
//
// ?

function main() {
    // solution approach
  
    var a = parseInt(readLine());
    var b = parseInt(readLine());
  
    function solveMeFirst(a, b) {
      // Hint: Type return a+b below   
        return a+b;
    }

    var res = solveMeFirst(a, b);
  
    // this output will be evaluated
    console.log(res);
}