function solve(input) {


    let expectedSum = Number(input[0]);

    let index = 1;

    let card = 0;

    let cash = 0;

    let avgCard = 0;

    let avgCash = 0;

    let counter = 0;

    let moneyCash = 0;

    let moneyCard = 0;

    let totalMoney = 0;

    let moneyCash2 = 0;

    let moneyCard2 = 0;








    while (input[index] !== 'End') {

        let current = Number(input[index]);

        counter += 1;




        if (current <= 100 && counter % 2 !== 0) {

            cash += 1;

            moneyCash = current;

            console.log(`Product sold!`);

        } else if (current >= 10 && counter % 2 === 0) {

            card += 1;

            moneyCard = current;

            console.log(`Product sold!`);

        } else {

            console.log(`Error in transaction!`);

        }

        totalMoney += moneyCard + moneyCash;

        moneyCash2 += moneyCash;

        moneyCard2 += moneyCard;

        moneyCash = 0;

        moneyCard = 0;


        if (totalMoney >= expectedSum) {

            avgCash = moneyCash2 / cash;

            avgCard = moneyCard2 / card;

            console.log(`Average CS: ${avgCash.toFixed(2)}`);
            console.log(`Average CC: ${avgCard.toFixed(2)}`);

            break;


        }

        index++;

    } // While loop


    if (input[index] === 'End') {

        console.log(`Failed to collect required money for charity.`);

    }





}