280

#include<iostream>
#include<climits>
using namespace std;
int main()
{
    int n, apare=0, x, ogl, maxim=INT_MIN, aux, contor=0;
    for(cin>>x; x!=0; cin>>x)
    {
            aux=x;
            ogl=0;
            while(aux>0)
            {
                ogl=ogl*10+x%10;
                x=x/10;
            }
            if(x==ogl)
            {
                contor++;
                if(x>maxim)
                {
                    maxim=x;
                    apare=1;
                }
                else
                {
                    if(x==maxim)
                    {
                        apare++;
                    }
                }
            }


    }
    if(contor==0)
    {
        cout<<"NU EXISTA";
    }
    else
    {
        cout<<maxim<<" "<<apare;
    }
}