function problem(input) {
    input.shift()
    let totalSum = 0;
    let counter = 0;
    for (let i = 0; i < input.length; i++) {
        counter++
        let sum = 0;
        let money = input.splice(0, 3)
        if (counter % 3 === 0) {
            sum = money[2] + money[2] * 0.50
            sum = money[1] - sum
        } else if (counter % 5 === 0) {
            sum = money[1] * 0.90 - money[2]
        } else {
            sum = money[1] - money[2]
        }
        totalSum += sum
        console.log(`In ${money[0]} Burger Bus earned ${sum.toFixed(2)} leva.`)
        i -= 1
    }
    console.log(`Burger Bus total profit: ${totalSum.toFixed(2)} leva.`)
}