#include <iostream>
using namespace std;
void palindromo(int array[],int n){
    int tmp[n];
    int tmp2[n];
    int j;
    int a;
   
        for(a=n-1;a>=0;a--){
                tmp[n]=array[a];
                }
    for (j=0;j<n;j++){
        tmp2[n]=array[j];}  
            if (tmp[n]==tmp2[n]){
                cout<<"palindromo";}}


           


int main (int argc, char * const argv[]) {
    int size=5;
    int vet[size];
    for (int i=0;i<size;i++){
        cin>>vet[i];}
    palindromo( vet,size);
    return 0;
}