file = open('17_4367.txt')
A = list(map(int, file.readlines()))
Min_A = 10000000
Min_sum = 100000000000000
count = 0
for i in range(len(A)):
    if A[i] < Min_A and A[i] * 8 == 0 and A[i] != 8:
        Min_A = A[i]
for j in range(len(A) - 1):
    if A[j] % Min_A == 0 and A[j + 1] % Min_A == 0:
        count += 1
        Min_sum = min(Min_sum, A[j] + A[j + 1])