def getmaxsubsequence(arr):
    total = 0
    for elem in arr:
        if elem > 0:
            total += elem
    return total if total > 0 else max(arr)    

def getmaxsubarray(arr):
    maxbeforeindex = [arr[0]]
    for index in range(1, len(arr)):
        curvalue = arr[index]
        connectedvalue = curvalue + maxbeforeindex[index-1]
        maxbeforeindex.append(max(connectedvalue, curvalue))
    
    return max(maxbeforeindex)

def maxSubarray(arr):
    return [getmaxsubarray(arr), getmaxsubsequence(arr)]