基于 ESNext string.prototype.padEnd 补全 0

var inputStr = readline();
while(inputStr && inputStr.length > 0) {
    if(inputStr.length > 8) {
        console.log(inputStr.slice(0, 8))
        inputStr = inputStr.slice(8)
    } else {
        console.log(inputStr.padEnd(8, '0'))
        inputStr = readline();
    }
}