04. Odd And Even Sum

function solve (number) {
    let num = [...number.toString()].map(Number);

    function sumOddAndEvenNum() {

        let oddSum = 0;
        let evenSum = 0;

        for (let i = 0; i < num.length; i++){
            if ( num[i] % 2 === 1){
                oddSum += num[i];
            } else {
                evenSum += num[i];
            }
        }

        return `Odd sum = ${oddSum}, Even sum = ${evenSum}`;
    }

    console.log(sumOddAndEvenNum());
}