백준 1000번

const readline = require('readline')

let a;
let b;

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
})

rl.on('line', (input) => {
  let numbers = input.split(" ")
  a = Number(numbers[0])
  b = Number(numbers[1])
}).on("close", function () {
  console.log(a+b)
  process.exit()
})