题解 | #参数解析#

while True:
    try:
        s = input().split()
        l = []
        i = 0
        while i < len(s):
            if s[i][0] != '"':
                l.append(s[i])
            else:
                if s[i][-1] == '"':
                    l.append(s[i][1:-1])
                else:
                    temp = s[i][1:]
                    while s[i][-1] != '"':
                        i += 1
                        temp += (" " + s[i])
                    l.append(temp[:-1])
            i += 1
        print(len(l))
        for j in l:
            print(j)
    except:
        break