#include using namespace std; int main(){ int N,K; scanf("%d%d",&N,&K); int m=(N-1)%(K+1); if(m==0)printf("0\n"); else printf("%d\n",m); fflush(stdout); while(true){ int res; scanf("%d",&res); if(res>=N)return 0; while(true){ res++; if(res%(K+1)==m)break; } printf("%d\n",res); fflush(stdout); } return 0; }