#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1LL << 30;
int MOD = 1e9+7;
main(){
    int N,K;
    cin >> N >> K;
    //N % (K+1) == 0なら先行  
    if(N % (K+1) == 0){
        int num = 0;
        while(num < N){
            cout << num / (K+1) * (K+1) + K << endl;
            fflush(0);
            cin >> num;
        }
    }else{
        cout << 0 << endl;
        fflush(0);
        int num;
        cin >> num;
        while(num < N){
            cout << (num + K) / (K+1) * (K+1) << endl;
            fflush(0);
            cin >> num;
        }
    }
}