n=int(input())
s=map(int,raw_input().strip().split(' '))
d={1:0,2:0,3:0,4:0,5:0}
for i in d:
	d[i]=s.count(i)
m=max(d.values())
count=0
ml=[]
for i in d:
	if(d[i]==m):
		ml.append(i)
print min(ml)