n,k = map(int,input().split())
if  (n-1)%(k+1) == 0:
    print(0,flush=True)
    now=int(input())
    if now >= n:
        exit()
else:
    now = 0

while True:
    a=((n-1)-now)%(k+1)
    print(a+now,flush=True)
    now = int(input())
    if now >= n:
        break