# ========================

# Information

# ========================

# Direct Link: https://www.hackerrank.com/challenges/s10-basic-statistics/problem

# Difficulty: Easy

# Max Score: 30

# Language: Python

# ========================

# Solution

# ========================

N = int(input())

NUMBER = list(map(int, input().split()))

# Mean

SUM = 0

for i in NUMBER:

SUM = SUM + i

print(float(SUM / N))

# Median

NUMBER = sorted(NUMBER)

if N % 2 == 0:

A = NUMBER[N//2]

B = NUMBER[N//2 - 1]

print((A+B)/2)

else:

print(NUMBER[N//2])

# Mode

MAX_1 = 0

NUMBER = sorted(NUMBER)

for i in NUMBER:

COUNTER = 0

INDEX = NUMBER.index(i)

for j in range(INDEX, len(NUMBER)):

if i == NUMBER[j]:

COUNTER = COUNTER + 1

if COUNTER > MAX_1:

MAX_1 = COUNTER

if MAX_1 == 1:

MODE = NUMBER[0]

else:

MODE = i

print(MODE)