a = int(input()) b = list(map(int, input().split())) mid, ind = 0, [] for i in range(a): for j in range(i + 1, a): if b[j] == mid: ind.append(j) mid = b[i] c = list(set(ind)) for item in sorted(c, reverse=True): b.pop(item) print(*b)
a = int(input()) b = list(map(int, input().split())) mid, ind = 0, [] for i in range(a): for j in range(i + 1, a): if b[j] == mid: ind.append(j) mid = b[i] c = list(set(ind)) for item in sorted(c, reverse=True): b.pop(item) print(*b)