a = []
n = 1000

for i in range(n):
    a.append(int(input()))

max7_1 = 0
max7_2 = 0
max_1 = 0
max_2 = 0

res = 0

for x in a:
    if x % 160 != max7_1 % 160:
        if x + max7_1 > res:
            print(x, max7_1)
        res = max(res, x + max7_1)
    else:
        if x + max7_2 > res:
            print(x, max7_2)
        res = max(res, x + max7_2)
    if x % 7 == 0:
        if x % 160 != max_1 % 160:
            if x + max_1 > res:
                print(x, max_1)
            res = max(res, x + max_1)
        else:
            if x + max_2 > res:
                print(x, max_2)
            res = max(res, x + max_2)

    if x % 7 == 0:
        if x > max7_1:
            if x % 160 != max7_1 % 160:
                max7_2 = max7_1
            max7_1 = x
        elif x > max7_2:
            if x % 160 != max7_1 % 160:
                max7_2 = x
    else:
        if x > max_1:
            if x % 160 != max_1 % 160:
                max_2 = max_1
            max_1 = x
        elif x > max_2:
            if x % 160 != max_1 % 160:
                max_2 = x

print(res)


# max_mod = [0] * 120
# res = 0
# pair = (-1, -1)
# for b in a:
#   x = max_mod[(120 - (b % 120)) % 120]
#   if (x + b) % 120 == 0 and (x + b) > res:
#       pair = (x, b)
#   max_mod[b % 120] = max(max_mod[b % 120], b)

# print(pair)
# cnt = 0
# cnt2 = 0
# cnt31 = 0
# cnt62 = 0

# for i in range(n):
#   if a[i] % 62 == 0:
#       cnt62 += 1
#   elif a[i] % 31 == 0:
#       cnt31 += 1
#   elif a[i] % 2 == 0:
#       cnt2 += 1
#   else:
#       cnt += 1

# # cnt = 20
# # cnt2 = 10
# # cnt31 = 7
# # cnt62 = 3

# # 1, 2, 3


# ans = 0
# ans += cnt62 * cnt2
# ans += cnt62 * cnt31
# ans += cnt62 * cnt
# ans += cnt31 * cnt2
# ans += cnt62 * (cnt62 - 1) // 2
# print(ans)

# max_ = 0
# max7 = 0

# for i in range(n):
#   if a[i] % 7 != 0:
#       max_ = max(max_, a[i])
#   else:
#       max7 = max(max7, a[i])

# for i in range(n):
#   if a[i] % 14 == 0 and a[i] > max14_1:
#       max14_2 = max14_1
#       max14_1 = a[i]
#   elif a[i] % 14 == 0 and a[i] > max14_2:
#       max14_2 = a[i]
#   elif a[i] % 7 and a[i] > max7_:
#       max7_ = a[i]
#   elif a[i] % 2 and a[i] > max2_:
#       a[i] = max2_
#   elif a[i] > max_:
#       max_ = a[i]

# res = max([max_ * max14_1, max2_ * max7_, max14_2 * max14_1])
#
#
#

# print(max7 * max_)