function main(input = '') {
  if (!input) throw Error;

  let lines = input.split('\n');
  let [a, b] = lines[0].split(' ');
  console.log(a, b);

  return `${parseInt(a) + parseInt(b)} ${lines[1]}`;
}

const { readFileSync, existsSync } = require('fs');
const stdin = '/dev/stdin';

if (existsSync(stdin)) {
  const input = readFileSync(stdin, 'utf8');
  console.log(main(input));
}

module.exports = main;