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F.cpp
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#include<bits/stdc++.h>
using namespace std;
const int N=3e5+10;
int n,k,Max,res;
int d[N];
bool vis[N];
int main()
{
scanf("%d%d",&n,&k);
for(int i=1;i<=n;i++)
Max+=n/i-1;
if(k>Max)
{
printf("No");
return 0;
}
printf("Yes\n");
for(int i=2;i<=n;i++)
{
int cnt=0;
for(int j=1;j*j<=i;j++)
if(i%j==0)
{
if(j*j==i)d[j]++,cnt++;
else d[j]++,d[i/j]++,cnt+=2;
}
d[i]=cnt-1;
res+=d[i];
if(res>=k)
{
int ans=i,rmin=res-k,sum=0,p=0;
for(int j=1;j<=i;j++)
{
if(d[j]<=res-k)
{
if(d[j]>sum)
sum=d[j],p=j;
}
}
vis[p]=1;rmin-=sum;
if(p>0)ans--;
for(int j=1;j<=i;j++)
{
if(d[j]==1&&rmin)
rmin--,vis[j]=1,ans--;
}
printf("%d\n",ans);
for(int j=1;j<=i;j++)
if(!vis[j])
printf("%d ",j);
return 0;
}
}
return 0;
}