function barcodeGenerator (input) {
    let start = input[0];
    let end = input[1];
    let currentNum = ""

       for (let j = Number(start.charAt(0)); j <= Number(end.charAt(0)); j++) {
        for (let k = Number(start.charAt(1)); k <= Number(end.charAt(1)); k++) {
            for (let h = Number(start.charAt(2)); h <= Number(end.charAt(2)); h++) {
                for (let m = Number(start.charAt(3)); m <= Number(end.charAt(3)); m++) {

                     if (j % 2 !== 0 && k % 2 !== 0 && h % 2 !== 0 && m % 2 !== 0) {
                         currentNum = currentNum + j + k + h + m + " ";
                     }
                }
            }
        }

       }

    console.log(currentNum)
}