201903-1 小中大

n = int(input())
number= list(map(int,input().split()))
number=sorted(number)
max = max(number)
min = min(number)
if(n%2!=0):
index = (n-1)//2
median = number[index]
else:
start = (n-1)//2
end = start+1
result = number[start]+number[end]
if(result%2==0):
median = result//2
else:
median = result/2
print(max,median,min)