from random import randint
A = [randint(1, 500) for i in range(1000)]
Max = 0
for i in range(len(A)):
    for j in range(i + 1, len(A)):
        if (A[i] + A[j]) % 107 == 0:
            Max = max(Max, A[i] + A[j])
print(Max)
k = [-10**10] * 107
for i in range(len(A)):
    x = A[i]
    ost = x % 107
    k[ost] = max(k[ost], x)
k2 = max(elem for elem in A if elem != k[0] and elem % 107 == 0)
ans = k[0] + k2
for i in range(1, 54):
    ans = max(ans, k[i] + k[107 - i])
print(ans)