#!/usr/bin/env js

function readline() {
    var ist = new java.io.InputStreamReader(java.lang.System.in);
    var bre = new java.io.BufferedReader(ist);
    var line = bre.readLine();
    return line;
}

let numbers = [];

print("数字の配列をJSON形式で入れてね (例: [1, 2, 3, 4]): ");
let str = readline();
if (str) {
    numbers = JSON.parse(str);
}

const evenNumbers = numbers.filter((num) => num % 2 === 0);

let json = JSON.stringify(evenNumbers);
print("入力された偶数の配列:");
print(json);