n=int(input())
a=[*map(int,input().split())]
for i in range(2*n-4):
    for p in range(n):
        q = i - p
        if 0 <= p and p < q and q < n:
            if a[p] > a[q]:
                a[p],a[q] = a[q],a[p]
if a[n-2]>a[n-1]:
    a[n-2],a[n-1]=a[n-1],a[n-2]
print(*a)