calc

import random
A = list(map(int, input().split()))
_max, _maxi = A[0], 0
for i in range(len(A)):
    if A[i] >= _max:
        _max = A[i]
        _maxi = i
if _maxi % 2 == 1:
    _maxi += 1
B = []
for i in range(_maxi, len(A), 2):
    B.append(A[i])
C = [0 for i in range(2**10 + 1)]
for i in B:
    C[i] += 1
B.clear()
for i in range(0, len(C)):
    while C[i] > 0:
        B.append(i)
        C[i] -= 1
print(B)