n,m=map(int,input().split())
a=[int(i) for i in input().split()]
b=[]
for i in range(n):
    #print(i,len(a))
    if a[i]%2==0:
        if b!=[] and len(b)>=m:
            print(sum(b))
        b=[]
    else:
        b+=[a[i]]
        if i==len(a)-1 and len(b)>=m:
            print(sum(b))
        elif i==len(a)-1 and len(b)<m:
            exit()