function adAstra(input) {
    let products = {}; // for object solution
    let totalCalories = 0;
    let pattern = /(?<del>\||\#)(?<product>[A-Za-z ]+)\k<del>(?<date>[0-3]{1}[\d]{1}\/[0-1]{1}\d{1}\/\d{2})\k<del>(?<calories>\d{1,5})\k<del>/g;
    let result = '';
    let resultArr = []; // idea for solution with array, from: https://softuni.bg/forum/41382/kyde-mi-e-greshkata-v-zadacha-ad-astra-i-zashto-judge-mi-dava-33-tochki

    while ((result = pattern.exec(input)) !== null) {
        let productName = result.groups.product;
        let date = result.groups.date;
        let calories = Number(result.groups.calories);

        totalCalories += calories;

        // Array solution
        resultArr.push(`Item: ${productName}, Best before: ${date}, Nutrition: ${calories}`);

        /* // Object solution
        if (products.hasOwnProperty(productName) === false) {
            products[productName] = {
                calories: 0
            }
        }

        products[productName].calories += calories;
        products[productName].expiryDate = date;
        */
    }

    let daysWithFood = Math.floor(totalCalories / 2000);

    console.log(`You have food to last you for: ${daysWithFood} days!`);

    if (daysWithFood >= 1) {
        /* // Object solution
        for (let product of Object.keys(products)) {
            console.log(`Item: ${product}, Best before: ${products[product].expiryDate}, Nutrition: ${products[product].calories}`);
        }
        */

        // Array solution
       resultArr.forEach(el => console.log(el));
    }
}