N,M=map(int,input().split())
A=list(map(int,input().split()))
ans=[]
a1=0
for a in A:
    if a%2==1:
        a1+=a
    else:
        if a1!=0:
            ans.append(a1)
            a1=0
if a1!=0:
    ans.append(a1)
    a1=0
for a in ans:
    print(a)