N,M = map(int,input().split())
s = list(map(int,input().split()))
ans = []
sum = 0

for A in s:
    if A %2 == 1:
        sum += A
        isOdd = True
    else:
        ans.append(sum)
        sum = 0
        isOdd = False
if isOdd:
    ans.append(sum)
    sum = 0
for i in ans:
    if i != 0:
        print(i)