func logic(charCount: Int, strings: [UInt8], string: UInt8) -> [UInt8] {
    var newStrings: [UInt8] = strings
    
    if charCount % 2 == 1 {
        if newStrings.last ?? 0 == string { newStrings.popLast() }
        else { newStrings.append(string) }
    }

    return newStrings
}

func superReducedString(s: String) -> String {
    // Write your code here
    var oldStrings: [UInt8] = [UInt8](s.utf8)
    var newStrings: [UInt8] = [UInt8]()
    
    var strTemp: UInt8 = oldStrings.first!
    var charCount: Int = 0
        
    for index in 0 ... oldStrings.count - 1 {
        if oldStrings[index] == strTemp {
          charCount += 1
          continue
        }
        
        newStrings = logic(charCount: charCount, strings: newStrings, string: oldStrings[index - charCount])
        strTemp = oldStrings[index]
        charCount = 1
    }
        
    newStrings = logic(charCount: charCount, strings: newStrings, string: oldStrings[oldStrings.count - 1])
    
    return newStrings.count == 0 ? "Empty String" : String(bytes: newStrings, encoding: String.Encoding.utf8) ?? ""
}