#include<iostream>
using namespace std;
void min_max()
{
    int n,a[1001],i,min,max;
    cin>>n;
    for(i=1; i<=n; i++)
        cin>>a[i];
    min=a[1];
    max=a[1];
    for(i=1; i<=n; i++)
    {
        if(a[i]<min)
            min=a[i];
        if(a[i]>max)
            max=a[i];
    }
    cout<<min<<' '<<max<<'\n';
}
void suma_cifre()

{
    //suma cifrelor
    int x,S=0;
    cin>>x;
    while(x!=0)
    {
        S=S+x%10;
        x=x/10;
    }
    cout<<S;

}
void oglindit()
{
    //OGLINDITUL
    int x,o=0;
    cin>>x;
    while(x)
    {
        o=o*10+x%10;
        x=x/10;
    }
    cout<<o;
}
void palindrom()
{
    //Palindrom
    int x,o=0,y;
    cin>>x;
    y=x;
    while(x)
    {
        o=o*10+x%10;
        x=x/10;
    }
    if(o==y)
        cout<<"PALINDROM";
    else
        cout<<"NU E PALINDROM";
}
void algoritm_euclid()
{
    //ALGORITM EUCLID
    int a,b,r;
    cin>>a>>b;
    while(b!=0)

    {
        r=a%b;
        a=b;
        b=r;
    }
    cout<<a;
}
void  numar_prim()
{
    //NUMAR PRIM
    int d,n,prim=1;
    cin>>n;
    for(d=2; d*d<=n; ++d)
        if(n%d==0)
            prim=0;
    if(prim)
        cout<<"NUMAR PRIM";
    else
        cout<<"NUMAR NEPRIM";
}
void compunerea_unui_numar_din_cifrele_sale()
{
    //COMPUNEREA UNUI NUMAR DIN CIFRELE SALE
    int x=0,n,c,i;
    cin>>n;
    for(i=1; i<=n; ++i)
    {
        cin>>c;
        x=x*10+c;
    }
    cout<<x;
}


int main()
{
    int t;
    cin>>t;
    if(t==1) min_max();
    else if(t==2) suma_cifre();
    else if(t==3) oglindit();
    else if(t==4) palindrom();
    else if(t==5) algoritm_euclid();
    else if(t==6) numar_prim();
    else if(t==7) compunerea_unui_numar_din_cifrele_sale();
}