#include<bits/stdc++.h>
using namespace std;
int main()
{
    for(int i=32;i<100;i++)
    {
        int t=i*i;
        int d=t%10;
        int c=t/10%10;
        int b=t/100%10;
        int a=t/1000;
        if(a==b&&c==d)
        {
            cout<<t;
        }   
    }
}
/**************************************************************
	Problem: 1092
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/