creatin I/O interface Node

var readline = require('readline');

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


var input = [];

rl.on('line', function (data) {    // line example: "0 0 1 1"
	input.push(data);

});

rl.on('close', () => {
	process.stdout.write(input.toString());



	process.exit(0);
	});