import sys

acceptedTypes={1:None,2:None,3:None,4:None,5:None}

n = int(input().strip())
types = list(map(int, input().strip().split(' ')))
# your code goes here

for type in acceptedTypes:
    acceptedTypes[type]=types.count(type)

highest=max(acceptedTypes.values()) 

highestbirdtype=[k for k in acceptedTypes.keys() if acceptedTypes[k]==highest]
print(sorted(highestbirdtype)[0])