sumPrimeNonPrime

function sumPrimeNonPrime(input) {

    let n = input.shift();
    let sumPrime = 0;
    let sumNonPrime = 0;

    while (n !== "stop") {
        n = Number(n);
        let prime = true;
        if (n == 1) {
            prime = false;
        }
        if (n < 0) {
            console.log("Number is negative.");
            sumPrime += Math.abs(n);
        }
        let maxDivider = Math.sqrt(n);
        for (let i = 2; i <= maxDivider; i++) {
            if (n % i == 0) {
                prime = false;
                break;
            }
        }
        if (prime) {
            sumPrime += n;
        } else {
            sumNonPrime += n;
        }
        n = input.shift();
    }
    console.log(`Sum of all prime numbers is: ${sumPrime}`);
    console.log(`Sum of all non prime numbers is: ${sumNonPrime}`);
}