dict_max = {}

    for i in range(len(table)):
        if table[i][3] not in dict_max:
            if table[i][-2] == "in":
                dict_max [table[i][3]] = int(table[i][-1])
            else:
                dict_max [table[i][3]] = -(int(table[i][-1]))
        else:
            if table[i][-2] == "in":
                dict_max [table[i][3]] += int(table[i][-1])
            else:
                dict_max [table[i][3]] -= int(table[i][-1])

    counter = 0
    result = ""
    for word in dict_max.keys():
        if dict_max[word] > counter:
            counter = dict_max[word]
            result = word

    return result