let fs = require('fs');

let arr = process.argv;
let getTheLine = readFileSync(arr[2].toString());
let counter1 = 0;
let len =  getTheLine.length;
let quantity = "";

while(len > counter1)
    {
        let counter2 = 1;
        while (getTheLine.CharAt(counter1) == getTheLine.CharAt(counter1 + counter2))
            counter2++;
        counter2_Old = counter2;
        while(counter2 > 255)
        {
            quantity += "#" + String.fromCharCode(255) + getTheLine.CharAt(counter1);
        }
        if(counter2 > 3)
            quantity += "#" + String.fromCharCode(counter2) + getTheLine.CharAt(counter1);
        else if (inputString.charAt(counter1) == "#")
            quantity += "#" + String.fromCharCode(counter2) + inputString.charAt(counter2);
        else
            quantity += inputString.substr(counter1,counter2);
        len += counter2_Old;
    }

fs.writeFileSync(".txt", quantity);

let stringdecoding = fs.writeFileSync(".txt");
let newstr = stringdecoding;
let counter1 = 0;
let len = stringdecoding.length;

while (counter1 < len)
{
    if (stringdecoding(counter1)==='#')
    {
        newstr = newstr.replace("#" + stringdecoding[i+1] + stringdecoding[i+2], stringdecoding[i+2].repeat(stringdecoding[i+1].charCodeAt(0)));
        counter1 += 2;
    }
    counter1++;
}
    fs.writeFileSync(".txt",newstr);