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#include <fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int i,j,n,x,Max,k;
int v[100001];
int l[100001];
int poz[100001];
bool ok;
int main()
{
f>>n;
for(i=1;i<=n;i++)
{
f>>v[i];
x=v[i];ok=0;
poz[i]=i;
l[i]=1;
for(j=i-1;j>=1;j--)
{
if(x>v[j])
{
if(!ok)
{
poz[i]=j;
ok=1;
}
l[i]++;
x=v[j];
}
}
if(l[i]>Max)
{
Max=l[i];
x=i;
}
}
g<<Max<<"\n";
k=1;
while(x!=poz[x])
{
//g<<v[x]<<" ";
l[k]=x;
x=poz[x];
k++;
}
l[k]=x;
for(i=Max;i>=1;i--)
{
g<<v[l[i]]<<" ";
}
//g<<v[x];
f.close();
g.close();
return 0;
}