def input_list():
    return list(map(float, input().split()))


def fmin(alist):
    minn = alist[0]
    for i in alist:
        if (minn > i):
            minn = i
    return minn


def fmax(alist):
    minn = alist[0]
    for i in alist:
        if (minn < i):
            minn = i
    return minn


def favg(alist):
    s = 0
    for i in alist:
        s = s + i
    return s / len(alist)


a = input_list()
print("{:.1f}".format(favg(a)))
print("{:.1f}".format(fmax(a)))
print("{:.1f}".format(fmin(a)))