function luckyNumbers (input) {
    let num = Number(input[0]);
    let buff = "";

    for (let i = 1; i < num; i++) {
        for (let j = 1; j < num; j++) {
            for (let k = 1; k < num; k++) {
                for (let h = 1; h < num; h++) {
                    let sum1 = i + j;
                    let sum2 = k + h;

                    if (sum1 === sum2) {
                        if (num % sum1 === 0) {
                            if (i <= 9 && j <= 9 && k <= 9 && h <= 9) {
                               buff += "" + i + j + k + h + " ";
                            }
                        }
                    }
                }
            }
        }
    }
    console.log(buff);
}