Node.js)백준 1373번: 2진수 8진수

https://www.acmicpc.net/problem/1373

1373번: 2진수 8진수

const fs = require('fs');
let N = fs.readFileSync("./dev/stdin").toString().trim();
let answer = '';


while(N.length>3){
  let S = N.slice(N.length-3,N.length)
  answer = parseInt(S,2).toString(8)+answer
  N = N.slice(0,N.length-3)
}
console.log(parseInt(N,2).toString(8)+answer)