calc

A = list(map(int, input().split()))
B = []
for i in A[1::2]:
    if i % 2 == 0:
        B.append(i)
print(B)

for i in range(len(B)):
    for j in range(i + 1, len(B)):
        if B[i] < B[j]:
            B[i], B[j] = B[j], B[i]

print(B)