function carNumber(input) {
    let firstDigit = Number(input[0]);

    let lastDigit = Number(input[1]);

    let combinations = "";

    for (let i = firstDigit; i <= lastDigit; i++) {

        for (let j = firstDigit; j <= lastDigit; j++) {

            for (let k = firstDigit; k <= lastDigit; k++) {

                for (let l = firstDigit; l <= lastDigit; l++) {

                    if (i > l && (j + k) % 2 === 0) {
                        if (i % 2 === 0 && l % 2 !== 0) {
                            combinations += `${i}${j}${k}${l} `;
                        }
                        else if (i % 2 !== 0 && l % 2 === 0){
                            combinations += `${i}${j}${k}${l} `;
                        }
                    }
                }
            }
        }
    }
    console.log(combinations);
}