n = int(input())
soma = maior = menor = int(input())
for _ in range(n-1):
e = int(input())
soma += e
if e > maior:
maior = e
if e < menor:
menor = e
media = soma/n
print(f"soma = {soma}\nmédia = {media:.2f}\nmenor = {menor}\nmaior = {maior}")
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