d = [1, 5, 10, 20, 50, 100] l = [*map(int, input().split())] k = [d[i] * l[i] for i in range(6)] idx = 0 mx = k[0] for i in range(1, 6): if mx < k[i]: mx = k[i] idx = i elif mx == k[i] and l[idx] > l[i]: idx = i print(d[idx])