题解 | #参数解析#

while True: try:

    str_list = input()
    new_list = []
    if r'"' not in str_list:
        new_list = str_list.split()
    else:
        a = str_list.split('"')
        for i in range(len(a)):
            if (1+i)%2 != 0:
                new_list = new_list+a[i].split()
              #  print(new_list)
                #print('if',i+1)
            else:
                new_list.append(a[i])
              #  print('else',i+1)
                
    print(len(new_list))
    print(*new_list,sep='\n')
    
except:
    break