stat0day.py

n = int(input())
x = [int(i) for i in input().strip().split(' ')]

#mean
print('{0:.1f}'.format(sum(x)/len(x)))

#mediun
sortX = sorted(x)
if len(x)%2!=0:
    print('{0:.1f}'.format(sortX[len(x)/2]))
else:
    print('{0:.1f}'.format((sortX[int(len(sortX)/2)] + sortX[int(len(sortX)/2)-1])/2))

#Mode
dic = {}
for i in x:
    if i not in dic:
        dic[i]=1
    else:
        dic[i]+=1

modeValue = dic[max(dic, key=dic.get)]

mod = [key for key, value in dic.items() if value==modeValue]
print(sorted(mod)[0])