백준 14729 칠무해

n=int(input())
tmp=[float(input()) for i in range(7)]
tmp.sort()
for i in range(n-7):
    cnt=float(input())
    if tmp[6]>cnt:
        tmp.pop()
        tmp.append(cnt)
    tmp.sort()
for i in tmp:
    print("%.3f"%(i))