import sys
n = int(raw_input().strip())
list1=[]
list1=map(int, raw_input().split())
max1=0
index=0
for i in range(n):
    if list1[i]>max1:
	max1=list1[i]
	index=i;
for i in range(n):
    if list1[i]==max1 and list1[index]>=list1[i]:
	max1=list1[i]	
	index=i;
print(index)