#include <cstdio>

using namespace std;
int n,a[100000],i,c[100000],k,Max;
bool getmax(int i,int s)
{
    int j=i;
    int ok=0;
    for(;i<=n&&k-s<n-i+1;i++)
    if(a[j]<a[i])
    {
        int p=getmax(i,s+1);
        if(p==1)
        {
            c[++k]=a[j];
            ok=1;
        }
        if(p==0)
            ok=-1;
    }
    if(ok==0)
    {
        k=1;
        c[k]=a[j];
        Max=s;
        return 1;
    }
    else
    if(ok==1)
        return 1;
    else
        return 0;
}
int main()
{
    freopen("scmax.in","r",stdin);
    freopen("scmax.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        scanf("%d",&a[i]);
    k=0;
    Max=0;
    for(i=1;i<=n&&k<n-i+1;i++)
        int p=getmax(i,1);
    printf("%d\n",k);
    for(i=k;i>0;i--)
    printf("%d ",c[i]);
    return 0;
}