// editor1
#include<iostream>
using namespace std;
class TechNumberChecker
{
    public:
    virtual bool isTechNumber()=0;
};
class InTech:public TechNumberChecker{
    int n;
    public:
    IntTech(int x):n(x){}
    bool isTechNumber()
    {
        int a=n/100,b=n%100;
        return (a+b)*(a+b)==n;
    }
};
class  FloatTech :public TechNumberChecker{
    float n;
    public:
    FloatTech(float x):n(x){}
    {
        int a=n/100,b=n%100;
        return (a+b)*(a+b)==n;
    }
};
int main()
{
    int key;
    cin>>key;
    if(key==1)
    {
        int n;
        if(!(cin>>n))
        {
            cout<<"Invalid input";
            return 0;
        }
        InTech t(n);
        cout<<t.isTechNumber();
        else if(key==2)
        {
            float f;
            if(!(cin>>f))
            {
                cout<<"Invalid input";
                return 0;
                
            }
            FloatTech t(f);
            cout<<t.isTechNumber();
        }
        else 
        cout<<"-1";
    }
}