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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("subsir2.in");
ofstream fout("subsir2.out");
int n,i,j,nr,mx,rz,mn,id,v[5005],pre[5005],lng[5005];
bool mxm[5005];
int main()
{
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
lng[1]=1;
pre[1]=0;
for(i=2;i<=n;i++)
{
j=i-1;
while(v[j]>v[i]) j--;
lng[i]=lng[j]+1;
pre[i]=j;
for(j=j;j>=1;j--)
if(v[j]<=v[i]) mxm[j]=1;
}
rz=n;
for(i=1;i<=n;i++)
if(mxm[i]==0)
{
if(lng[i]<rz)
{ rz=lng[i]; mn=1000005; }
if(lng[i]==rz&&v[i]<mn)
{ mn=v[i]; id=i; }
}
fout<<rz<<"\n";
while(id!=0)
{
nr++; v[nr]=id;
id=pre[id];
}
for(i=nr;i>=1;i--)
fout<<v[i]<<" ";
}