백준 2884번 node.js

const fs = require("fs");
const filePath = process.platform === "linux" ? "/dev/stdin" : "예제.txt";
let input = fs.readFileSync(filePath).toString().split(" ");
const a = Number(input[0]);
const b = Number(input[1]);

if (a > 0) {
  let H = parseInt((a * 60 + b - 45) / 60);
  let M = (a * 60 + b - 45) % 60;
  console.log(H + " " + M);
} else {
  if (b > 45) {
    let H = 0;
    let M = b - 45;
    console.log(H + " " + M);
  } else if (b == 45) {
    console.log(0 + " " + 0);
  } else {
    let H = parseInt((24 * 60 + b - 45) / 60);
    let M = (24 * 60 + b - 45) % 60;
    console.log(H + " " + M);
  }
}