#include <iostream>

 #include <cstdio>

 using namespace std;

 bool symmetry(int n){

     int a = ,temp = n;

     while(temp){

         a = a *  + temp % ;

         temp /= ;

     }

     if(a == n)

         return true;

     else

         return false;

 }

 int main(){

     int n;

     for(n = ; n < ; n++){

         if(symmetry(n * n))

             cout << n << endl;

     }

    // system("pause");

     return ;

 }