#include <iostream>
#include<cmath>
using namespace std;

bool provjera(int);
int main()
{
    int n = 999;
    for (int i = 100; i <= n; i++)
    {
        if (provjera(i) == true)
            cout << i << endl;
    }

    system("PAUSE");
    return 0;
}

bool provjera(int n)
{
    int pohrana, x, x1, y, broj;
        pohrana = n % 10;
        x = pohrana*pohrana;
        broj = n / 10;
        x1 = sqrt(broj);
        y = x1 - x;
        if (y == n)
        {
            return true;


    }


}