题解 | #在字符串中找出连续最长的数字串#

while True:
    try:
        m = input().strip()
        for i in range(len(m)):
            if m[i].isalpha():
                m = m.replace(m[i], ' ')

        re = m.strip().split()
        re2= []
        for i in range(len(re)):
            re2.append(len(re[i]))

        tmp = max(re2)
        s = []
        for i in range(len(re)):
            if re2[i] == tmp:
                s.append(re[i])

        print(''.join(s),end=',')
        print(tmp)        


    except:
        break