n = int(input())
a = list(map(int, input().split()))
for i in range(2 * n - 3):
    for k in range(n):
        for j in range(k + 1, n):
            if k + j == i and a[k] > a[j]:
                a[k], a[j] = a[j], a[k]
print(" ".join(map(str, a)))