// yukicoder: 257 N言っちゃダメゲーム (3)
// 2019.9.5 bal4u

#include <stdio.h>
#include <stdlib.h>

int N;
void out(int x) { printf("%d\n", x), fflush(stdout); }
void in() {
	int you;
	scanf("%d", &you);
	if (you >= N) exit(0);
}

int main()
{
	int p, K, first;
	
	scanf("%d%d", &N, &K);
	if ((N-1)%(K+1) == 0) out(0), first = 0, p = 0; else out(1), first = 1, p = 1;
	while (1) in(), p += K+1, out(p);
	return 0;
}