#include <iostream> using namespace std; int main() { int N, M; cin>>N>>M; bool lights[5001]={true}; for (int i=2;i<=M;i++) { for (int j=i;j<=N;j+=i) { lights[j]=!lights[j]; } } bool firstLight=true; for (int i=1;i<=N;i++) { if (!lights[i]) { if (!firstLight) { cout<<","; } cout<<i; firstLight=false; } } return 0; }