function muOnline(inputArr) {
    let copyArr = inputArr[0].slice().split('|');

    let maxHealth = 100;
    let currentHealth = 100;
    let bitcoins = 0;
    let isDead = false;
    let roomCount = 1;

    for (let i = 0; i < copyArr.length; i++) {
        let currentRoom = copyArr[i].slice().split(' ');
        let action = currentRoom[0];
        let num = Number(currentRoom[1]);

        if (isDead) {
            break;
        }

        switch (action) {
            case 'potion':
                potion(num)
                break;
            case 'chest':
                chest(num)
                break;
            default:
                figth(action, num)
                break;
        }
        roomCount++
    }

    if (!isDead) {
        console.log(`You've made it!\nBitcoins: ${bitcoins}\nHealth: ${currentHealth}`);
    }

    function potion(health) {
        if (currentHealth + health <= 100) {
            currentHealth += health;
            console.log(`You healed for ${health} hp.`);
        } else {
            console.log(`You healed for ${maxHealth - currentHealth} hp.`);
            currentHealth = maxHealth;
        }
        console.log(`Current health: ${currentHealth} hp.`);
    }

    function chest(bitcoin) {
        bitcoins += bitcoin;
        console.log(`You found ${bitcoin} bitcoins.`);
    }

    function figth(monster, attack) {
        currentHealth -= attack;
        if (currentHealth <= 0) {
            isDead = true;
            console.log(`You died! Killed by ${monster}.`);
            console.log(`Best room: ${roomCount}`);
        } else {
            console.log(`You slayed ${monster}.`);
        }
    }
}