#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++)
#define ALL(x) (x).begin(), (x).end()

const double PI = acos(-1);

void say(long long x) {
  cout << x << endl;
  cout.flush();
}

long long rcv(long long n) {
  long long t;
  cin >> t;
  if (t >= n)
    exit(0);
  return t;
}

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  long long n, k;
  cin >> n >> k;

  long long cur = 1;
  long long ng = n % (k+1);
  if (ng = cur) {
    say(0);
    cur = rcv(n);
  }

  while (1) {
    while (ng <= cur)
      ng += k+1;
    say(ng-1);
    cur = rcv(n);
  }
  
  return 0;
}