компегэ 27-2945а 

f = open('/home/mos-453408/Загрузки/27A_2945.txt')
n=int(f.readline())
a=list(map(int, f.readlines()))
s=0
m=0
for l in range(0, len(a)):
    for j in range(0, len(a)-l):
        s=0
        for i in range(l,len(a)-j):
            s+=a[i]
        if s%67==0 and s>m:
            m=s
print(m)