#include <stdio.h>
#include <iostream.h>
#include <math.h>
int main ()

{
    freopen("scmax.in","r", stdin);
    freopen("scmax.out","w", stdout);     
    int v[100],w[100],x[100],max,n,m,i,j,k,l;
    cin>>n;
    for(i=1;i<=n;i++)  {
                        cin>>v[i]; 
                      }  
    max=1;
    i=1;
    while(i<=n) { 
                  
                                               l=1;
                                               w[l]=v[i];
                                               m=i+1;
                                               while(m<n) {
                                                          l=1;
                                                          for(j=m;j<=n;j++)   if(v[j]>w[l]) { 
                                                                                                w[l+1]=v[j];
                                                                                                 l=l+1; 
                                                                                             }                                  
                                                                                 
                                                          if(max<l) { 
                                                                       max=l;                     
                                                                       for(k=1;k<=max;k++) x[k]=w[k]; 
                                                                    }   
                                                          m=m+1;          
                                                          }                                                                                                           
                                               i=i+1;                                                           
               }                         
                                         
    cout<<max;   
     cout<<"\n";             
     for(k=1;k<=max;k++) cout<<x[k]<<" ";    
    cout<<"\n";               
    system("PAUSE");
}