while True:
    try:
        words= input()
    except:
        break
    else:
        str1= str(words)
        str1=str1.replace(' ', '\n')
        e=''
        flag=False
        for i in str1:
            if i== '"':
                flag = not flag
            elif flag==True and i== '\n':
                e+=' '
            else:
                e+=i
        b=e.count('\n')+1
        print(b)
        print(e)