while True: try: n = int(input()) L = [] for i in range(n): nn = int(input()) if nn not in L: L.append(nn) L.sort() for x in L: print(x) except: break
while True: try: n = int(input()) L = [] for i in range(n): nn = int(input()) if nn not in L: L.append(nn) L.sort() for x in L: print(x) except: break