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
    else:
        ans.append(sum)
        sum = 0
    if A == s[-1]:
        ans.append(sum)
        sum = 0 
for i in ans:
    if i != 0:
        print(i)