max number

function maxNumber(input) {
    let index = 0;
    let command = input[index];
    index++;
    let maxNum = Number.MIN_SAFE_INTEGER;
    console.log(maxNum);

    while (command  != "Stop") {
        let num = Number(command);
        if (num > maxNum) {
            maxNum = num;
        }
        command = input[index];
        index++;
    }
    console.log(maxNum);
}