题解 | #字符串最后一个单词的长度#

def get_latest_words_length():
    line = input()
    if len(line) > 5000:
        print("the line length over max size: 5000")
    else:
        print(len(line.split(" ")[-1]))
    
if __name__ == '__main__':
    get_latest_words_length()