# 2か所にでてくるlとoをどう分けるか、oは平均的に分けた、lは分け方全探索にした

d_count = 0
e_count = 0
h_count = 0
l_count = 0
o_count = 0
r_count = 0
w_count = 0

for i in range(26):
    c = int(input())
    if i == 3:
        d_count = c
    elif i == 4:
        e_count = c
    elif i == 7:
        h_count = c
    elif i == 11:
        l_count = c
    elif i == 14:
        o_count = c
    elif i == 17:
        r_count = c
    elif i == 22:
        w_count = c

#print(d_count, e_count, h_count, l_count, o_count, r_count, w_count)

#print('l_count', l_count, 'o_count', o_count)

if l_count < 3:
    l1 = 0
    l2 = 0
else:
    excess = l_count-3
    #print('excess', excess)
    highest = 0
    alloc1 = -1
    for allocate1 in range(0, excess+1):
        calc = ((2+allocate1)*(2+allocate1-1)//2)*(1+(excess-allocate1))
        #print('allocate1', allocate1, 'calc', calc, 'highest', highest, 'alloc1', alloc1)
        if calc > highest:
            highest = calc
            alloc1 = allocate1  
    l1 = 2+alloc1
    l2 = 1+(excess-alloc1)

if o_count < 2:
    o1 = 0
    o2 = 0
else:
    excess = o_count-2
    o1 = 1+(excess)//2
    o2 = 1+(excess+1)//2

#print(l1, l2, o1, o2)

ans = 1
ans *= h_count
ans *= e_count
ans *= l1*(l1-1)//2
ans *= o1
ans *= w_count
ans *= o2
ans *= r_count
ans *= l2
ans *= d_count
print(ans)