#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    int n,A[24];
    ifstream f("be.be");
    f>>n;
    cout<<"n="<<n<<endl;
    for(int i=0;i<=n;i++)
    {
        f>>A[i];
    }
    for(int i=0;i<=n-1;i++)
            cout<<A[i]<<" ";
    cout<<endl;
    int k=n/2;
    int i=k-1;
    int j=k+1;
    while(i>=0)
    {
        if(A[i]!=A[j])
        {
            cout<<"nem szimmetrikus";
            return 0;
        }
        i--;j++;
    }
    cout<<"Szimmetrikus";
    return 0;
}