#include <iostream>
#include <fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");
int n,i,imax,j=1,v[100001],st,nr=1;
int main()
{
    f>>n>>v[1];
    for(i=2; i<=n; i++){ f>>v[i];
                         if(v[i-1]<=v[i]){ nr++;
                                           if(v[i-1]!=v[i])j++;
                                         }
                         else { if(j>imax)imax=j;
                                st=i;
                                j=1;
                              }

                       }
    if(imax<j)imax=j;
    cout<<imax<<endl;
    for(i=st; i<=nr+st; i++)if(v[i]!=v[i+1])cout<<v[i]<<" ";
    cout<<endl;
    return 0;
}