1355

f = open(r'27A_1355.txt')

groups = list()
buff = list()

n = int(f.readline())

for s in f:
    t = int(s)
    buff.append(t)

    if t % 2 == 0 and len(buff) != 1:
        groups.append(buff.copy())
        buff.clear()


e = 10**100

sm = 0
md10 = e
for group in groups:
    m1dn2 = e
    m2dn2 = e
    md2 = e
    group_sm = 0
    for el in group:
        group_sm += el

        if el % 2 == 1:
            if el < m1dn2:
                m2dn2 = m1dn2
                m1dn2 = el
            elif el >= m1dn2:
                m2dn2 = min(el, m2dn2)
        else:
            if el % 10 != 0:
                md2 = min(el, md2)

    if group_sm % 2 != 0:
        group_sm -= m1dn2

        if (m2dn2 - m1dn2) % 10 != 0:
            md2 = min(md2, m2dn2 - m1dn2)

    sm += group_sm

    md10 = min(md10, md2, m1dn2 + m2dn2)

if sm % 10 == 0:
    sm = sm - md10

print(sm)