numList = list(map(int,input().split(" ")))

average = sum(numList)/10

M = max(numList)

m = min(numList)

print(f"{M},{m},{average:.2f}")

""" f"{前面填写数据:后面填写格式}" .2f 中的f是float代表小数 .2f就是保留小数点后2位

"""