#include <iostream>

using namespace std;

int v[100], n, i, a, b, c;

int main()
{
    cout<<"n= "; cin>>n;

    for(i=0; i<n; i++)
    {
        cout<<"v["<<i<<"]= "; cin>>v[i];
    }

    cout<<"a= "; cin>>a;

    cout<<"b= "; cin>>b;

    for(i=0; i<n; i++)
    {
        if(v[i] >= a && v[i] <= b)
        {
            cout<<v[i]<<' ';
            c++;
        }
    }

    cout<<c<<endl;
    return 0;

}