题解 | #参数解析#

import sys
for line in sys.stdin:
    a = list(line.strip().split(" "))
num,str1,just,relist = len(a),'',False,[]
for i in range(num):
    if a[i].count('"') == 1:
        just = not just
        if just:
            indexrecord=i
        else:
            relist.append(str1 + str(a[i]))
            str1 = ''
            continue
    if just:
        str1 += str(a[i])+' '
    else:
        relist.append(a[i])
print(len(relist))
for i in relist:
    if i.count('"') >=1:
        print(i[1:-1])
    else:
        print(i)