#!/bin/python3

import sys
from collections import Counter as C

n = int(input().strip())
# Count all itesm
types = C(list(map(int, input().strip().split(' '))))

# Get highest value
best = types.most_common(1)[0]

# Check against every other value
for bird_type in types.most_common():
    if bird_type[1] < best[1]:
        break
    elif bird_type[0] < best[0]:
        best = bird_type

print(best[0])