#include<iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    if(a==1){
        int b;
        if(!(cin>>b)){
            cout<<"Invalid input";
            return 0;
        }
        if(b>=1000 &&b<=9999){
            cout<<"0";
            return 0;
        }
        int first=b/100;
        int second=b%100;
        int sum=first+second;
        if(sum*sum==b){
            cout<<"1";
        }
        else{
            cout<"0";
        }
    }
    else if(a==2){
        float c;
        if(!(cin>>c)){
            cout<<"invalid input";
            return 0;
        }
        if(c<1000.0 || c>9999.0){
            cout<<"0";
            return 0;
        }
        int(n)=(int)c;
        int first=n/100;
        int second=n%100;
        int sum=first+second;
        if(sum*sum==n){
            cout<<"1";
        }
        else{
            cout<<"0";
        }
    }
    else{
        cout<<"-1";
    }
    
}