Ege1

N = int(input())
l = [2000]*5
x = [0]*5
answer = 200000
for i in range(N):
    a = int(input())
    if(a < l[4]):
        l[4] = a
        x[4] = i
    for i in range(4, -1, -1):
        if(l[i]>l[i-1]) and i > 0:
            l[i], l[i-1] = l[i-1], l[i]
            x[i], x[i-1] = x[i-1], x[i]
for i in range(5):
    for k in range(i ,5):
        if(abs(x[i] - x[k])) >= 4):
            tmp = l[i]+l[k]
            answer = min(answer, tmp)
print(answer)



'''Задание 27 № 15937'''
N = int(input())
maxEven3 = 0
maxOdd = 0
maxOdd3 = 0
maxEven = 0
for i in range(N):
    a = int(input())
    if a % 2 == 0:
        maxEven = max(maxEven, a)
        if a % 3 == 0:
            maxEven3 = max(a, maxEven3)
    else:
        maxOdd = max(maxOdd, a)
        if a % 3 == 0:
            maxOdd3 = max(a, maxOdd3)
a, b = maxEven3, maxOdd
if a*b < maxOdd3 * maxEven:
    a, b = maxOdd3, maxEven
print(a, b)




"""Задание 27 № 11128"""

N = int(input())
min6 = 1000000
minAll = 1000000
min2 = 1000000
min3 = 1000000
for i in range(N):
    a = int(input())
    if a % 2 == 0:
        if a % 6 != 0:
            min2 = min(a, min2)
    elif a % 3 == 0:
        if a % 6 != 0:
            min3 = min(a, min3)
    elif a % 6 == 0:
        min6 = min(min6, a)
    else:
        minAll = min(a, minAll)
result = min((minAll*min6), (min2*min3))
controlValue = int(input())
print("Calculated Control Value: ", result)
print("Control Passed" if controlValue == result else "Control not Passed")


"""Задание 27 № 11332"""

minOddOffset = 1000001
allSum = 0
N = int(input())
for i in range(N):
    a, b = map(int, input().split())
    offset = abs(a-b)
    if offset % 2 != 0:
        minOddOffset = min(minOddOffset, offset)
    allSum += (a if a > b else b)
if allSum % 2 == 0:
    allSum = allSum - minOddOffset
print(allSum)



"""Задание 27 № 8003"""

N = int(input())
min11 = 1000000
min12 = 1000000
min21 = 1000000
min22 = 1000000
for i in range(N):
    a = int(input())
    if a % 2 == 0:
        if a < min21:
            min21 = a
        elif a < min22:
            min22 = a
    else:
        if a < min11:
            min11 = a
        elif a < min22:
            min12 = a

print(min((min11+min12), (min21+min22)))