inFile = open('input.txt', 'r', encoding='utf8')
accounts = {}
for line in inFile:
    words = line.split()
    if words[0] == 'DEPOSIT':
        accounts[words[1]] = accounts.get(words[1], 0) + int(words[2])
    if words[0] == 'TRANSFER':
        accounts[words[1]] = accounts.get(words[1], 0) - int(words[3])
        accounts[words[2]] = accounts.get(words[2], 0) + int(words[3])
    if words[0] == 'WITHDRAW':
        accounts[words[1]] = accounts.get(words[1], 0) - int(words[2])
    if words[0] == 'BALANCE':
        if words[1] in accounts.keys():
            print(accounts[words[1]])
        else:
            print('ERROR')
    if words[0] == 'INCOME':
        for acc in accounts:
            if accounts[acc] > 0:
                accounts[acc] += int(accounts[acc] * int(words[1]) / 100)
inFile.close()