#include<iostream>
using namespace std;
class TechNumberChecker{
public:
 virtual int isTechNumber()=0;
};
class IntChecker: public TechNumberChecker{
    int num;
public:
    intChecker(int n) {num =n;}
    int isTechNumber(){
        int first = num/100;
        int second = num % 100;
        int sum = first + second;
        return(sum*sum==num)?1:0;
    }
};
class FloatChecker : public TechNumberChecker{
    float num;
public:
 FloatChecker(float n){num=n;}
 int isTechNumber(){
     int n=(int)num;
     int first=n/100;
     int second = n%100;
     int sum=first+second;
     return(sum*sum==n)?1:0;
 }
};
int main(){
    int keyType;
    cin>>keyType;
    
    if(keyType==1){
        int n;
        cin>>n;
        IntChecker obj(n);
        cout<<obj.isTechNumber();
    }
    else if(keyType==2){
        float f;
        cin>>f;
        FloatChecker obj(f);
        cout<<obj.isTechNumber();
    }
    else{
        cout<< -1;
    }
    return 0;
}