2-4 대표값

import sys
#sys.stdin=open("input.txt", "r")
n=int(input())
a=list(map(int, input().split()))
ave=sum(a)/n
ave=ave+0.5
ave=int(ave)
min=2147000000
for idx, x in enumerate(a):
    tmp=abs(x-ave)
    if tmp<min:
        min=tmp
        score=x
        res=idx+1
    elif tmp==min:
        if x>score:
            score=x
            res=idx+1
print(ave, res)