function solve (password) {
    let passArr = password.split('');
    let passValid = true;

    if (passArr.length < 6 || passArr.length > 10) {
        console.log("Password must be between 6 and 10 characters");
        passValid = false;
    }

    function isAlphanumeric(str) {
        return /^[a-zA-Z0-9]+$/.test(str);
    }

    if (!isAlphanumeric(password)) {
        console.log("Password must consist only of letters and digits");
        passValid = false;
    }

    function hasTwoDigits(str) {
        return (str.match(/[0-9]/g) || []).length >= 2;

    }

    if(!hasTwoDigits(password)) {
        console.log("Password must have at least 2 digits");
        passValid = false;
    }

    if (passValid) {
        console.log("Password is valid")
    }
}