题解 | #在字符串中找出连续最长的数字串#

import sys


def find_nums(contents):
    for con in contents:
        # 将非数字的字符替换为空格，用于切片转换为数组
        if not con.isdigit():
            contents = contents.replace(con, ' ')
    return contents.split()
    

for line in sys.stdin:
    nums = find_nums(line)
    max_len = max([len(num) for num in nums])
    max_num = ''
    for num in nums:
        if len(num) == max_len:
            max_num = max_num + num
    print('%s,%s' % (max_num, max_len))