[백준/파이썬] 2975번 Transactions

-코드

while 1:
    a, b, c = input().split()
    a, c = int(a), int(c)
    if a == 0 and b == 'W' and c == 0:
        break
    if b == 'W':
        if a - c < -200:
            print('Not allowed')
        else:
            print(a - c)
    else:
        print(a + c)