import sys

list01 = [line.replace("\n", "") for line in sys.stdin]  # 获取所有输入值
for i in list01:
    stri = ""
    for j in i:
        if j.isdecimal():  # 将所有连续数字提取
            stri += j
        else:
            stri += " "
    list02 = stri.split()  # 形成所有连续数字的列表
    stri01 = ""
    stri02 = ""
    for n in list02:
        if len(n) > len(stri01):
            stri01 = n  # 获取长度最长的连续数字字符串
    stri02 += stri01
    for m in list02:
        if len(m) == len(stri01) and m != stri01:  # 获取其他长度相同的连续数字字符串
            stri02 += m
        else:
            continue
    print(f"{stri02},{len(stri01)}")