#include <iostream>
using namespace std;

int main(){
   int i,o,n,k;
   cin >> n >> k;
   if((n - 1) % (k + 1) == 0){
      cout << 0 << endl;
      cin >> i;
      o = k + 1;
      while(o < n){
         cout << o << endl;
         o += k + 1;
         cin >> i;
         if(i > n) return 0;
      }
   }else{
      if((n - 1) % (k + 1) != -1) o = (n - 1) % (k + 1);
      else o = k;
      while(o < n){
         cout << o << endl;
         o += k + 1;
         cin >> i;
         if(i > n) return 0;
      }
   }
}