function solve(input = []) {
    let initialLoot = input.shift().split('|');
    let command = input.shift();

    while (command !== 'Yohoho!') {
        let currCommand = command.split(' ');

        if (currCommand[0] === 'Loot') {

            for (let i = 1; i < currCommand.length; i++) {
                let el = currCommand[i];

                if (initialLoot.indexOf(el) === -1) {
                    initialLoot.unshift(el);
                }
            }
        } else if (currCommand[0] === 'Drop') {
            let index = +currCommand[1];

            if (index >= 0 && index <= initialLoot.length) {
                let lastEl = initialLoot[index];
                initialLoot.splice(index, 1);
                initialLoot.push(lastEl);
            }
        } else if (currCommand[0] === 'Steal') {
            let count = +currCommand[1];
            let stolenList = [];
            if (count > initialLoot.length) {
                for (let i = 0; i < initialLoot.length; i++) {
                    stolenList.push(initialLoot[i]);
                }
                console.log(stolenList.reverse().join(', '));

            } else {
                let stolenList = [];
                let count = +currCommand[1];

                for (let i = 1; i <= count; i++) {
                    let lastEl = initialLoot.pop()
                    stolenList.push(lastEl)
                }
                console.log(stolenList.reverse().join(', '));
            }

        }
        command = input.shift()
    }

    if (initialLoot.length === 0) {
        console.log(`Failed treasure hunt.`);
    }

    else {
        let sum = ' ';
        let sum2 = 0

        for (let i = 0; i < initialLoot.length; i++) {
            sum += initialLoot[i]
            sum2 = sum.length - 1;
        }

        console.log(`Average treasure gain: ${(sum2 / 5).toFixed(2)} pirate credits.`);
    }
}