Account Balance

function accountBalance(input) {
    let index = 0;
    let command = input[index];
    index++;
    let sum = 0;
    while (command !== "NoMoreMoney") {
        let deposit = Number(command);

        if (deposit < 0) {
            console.log(`Invalid operation!`);
            break;
        }
        sum += deposit;
        console.log(`Increase: ${(deposit).toFixed(2)}`);
        command = input[index];
        index++;
}
    console.log(`Total: ${(sum).toFixed(2)}`);
}