题解 | #参数解析#

args = input().split()
ret = []
word = ""
for argv in args:
    if argv[0] == "\"":
        if argv[-1] == "\"":
            ret.append(argv[1:-1])
        else:
            word = argv[1:]
    elif argv[-1] == "\"":
        if word:
                word += " " + argv[:-1]
                ret.append(word)
                word = ""
        else:
            ret.append(argv[:-1])
    else:
        if word:
            word += " " + argv
        else:
            ret.append(argv)
print(len(ret))
print("\n".join(ret))