n=int(input())
a=input().split()
a=list(map(int,a))
s=sum(a)
av=s/n
cha=abs(a[0]-av)
chai=0
for i in range(1,n):
    if(abs(a[i]-av)<cha):
        cha=abs(a[i]-av)
        chai=i
print(a[chai])
/**************************************************************
	Problem: 1585
	User: admin
	Language: Python
	Result: Accepted
	Time:137 ms
	Memory:34480 kb
****************************************************************/