#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a, b, x, n;
    for(x = 32; ; x++)
    {
        n = x * x;
        if(n > 9999) break;
        a = n / 100;
        b = n % 100;
        if(a/10 == a%10 && b/10 == b%10) printf("(2):%d\n", n);
    }
    return 0;
}