i.js

const readline = require("mz/readline");
const co = require("co");

const userId = "blarg";

co(function* () {
    let rl = readline.createInterface({
        input: process.stdin,
        output: process.stdout,
    });

    let answer = yield rl.question(`are you sure\nplease enter userId`);

    if (answer === userId) {
        let answer = yield rl.question(`danger bay was a good show`);

        if ("y" === answer) {
            return console.log("dead");
        }

        console.log("alive");
    }
    else {
        console.log("user id is wrong");
    }
});