1111

function barCodeGenerator(input) {
    let startNum = Number(input[0]);
    let endNum = Number(input[1]);
    let result = ""

    for (let currentNum = startNum; currentNum <= endNum; currentNum++) {
        let currentNumToString = currentNum.toString();
        let isMagic = true
        for (let index = 0; index < currentNumToString.length; index++) {
            let digit = Number(currentNumToString[index]);
            switch (digit) {
                case 1:
                case 2:
                case 4:
                case 6:
                case 8:
                    isMagic = false; break;
            }
        }

    }

}




barCodeGenerator(["2345", "6789"])