// 입출력 readline 선언
const readline = require("readline");
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
let input = [];
rl.on("line", (line) => {
input.push(line.split(" ").map((el) => parseInt(el)));
});
rl.on("close", () => {
console.log(input);
process.exit();
});