#include <stdio.h>

using namespace std;
int v[10000];
int main()
{
    int n,i,p=0,p2=0,max=0,max2=0;
    freopen("scmax.in","r",stdin);
    freopen("scmax.out","w",stdout);
    scanf("%d",&n);
    scanf("%d",&v[1]);
    max=1;
    p=1;
    for(i=2;i<=n;i++)
    {
        scanf("%d",&v[i]);

        if(v[i-1]==v[i])
        {
            max--;
        }
        if(v[i-1]>v[i])
        {
            max2=max;
            p2=p;
            max=0;
            p=i;
        }
        max++;
   /*     if(max>max2)
        {
            max2=max;
            p2=p;
        }
*/
    }
    printf("%d\n",max2);
    for(i=p;max2;i++)
    {
        if(v[i]!=v[i-1])
        {
            printf("%d ",v[i]);
            max2--;
        }

    }
    return 0;
}