while(line = readline()) { if(line.includes(".")) { toNum(line) } else { toIp(line) } } function toIp(num) { const str = Number(num).toString(2).padStart(32, "0") const arr = [str.slice(0,8), str.slice(8,16), str.slice(16,24), str.slice(24,32)] const ip = arr.map(ele => parseI...