list = ["原神"]
while True:
    list.append(input("何事？"))
    a = input("何事终了？")
    if a in list:
        list.remove(a)
    else:
        pass
    print("未尽之事：", list)
    b = input("是否下一周目(1是2否)")
    if b == "1":
        continue
    else:
        print("未尽之事：", list)
        break