public static char[] zeroes(char[] array, int length)
    {
        char[] arrayWithZeroes = new char[20];
        for(int i = 0; i < 20; i++)
        {
            if(i >= length)
            {
                arrayWithZeroes[i] = '0';
            }
            else
            {
                arrayWithZeroes[i] = array[i];
            }
        }

        return arrayWithZeroes;
    }