n, m = map(int, input().split())
a = list(map(int, input().split()))

current_start = None
current_sum = 0
result = []

for i in range(n):
    if a[i] % 2 == 1:
        if current_start is None:
            current_start = i
            current_sum = a[i]
        else:
            current_sum += a[i]
    else:
        if current_start is not None:
            length = i - current_start
            if length >= m:
                result.append(current_sum)
            current_start = None
            current_sum = 0
# Check the last run
if current_start is not None:
    length = n - current_start
    if length >= m:
        result.append(current_sum)

for s in result:
    print(s)