#include<iostream>
using namespace std;

class Tech{
    public:
    virtual int check() = 0;
};

class IntNum : public Tech{
    int n;
    public:
    IntNum(int x){n = x;}
    int check(){
        if (n<10||n>99)return 0;
        int a=n/10,b=n%10;
        return (a*b)*(a+b)==n;
    }
    
};


class FloatNum : public Tech {
    public:
    FloatNum(double x){}
    int chack(){ return 0;}
};

int main(){
    int key;
    cin >> key;
    
    if(key == 1){
        int n;
        if(!(cin>>n)) cout <<"Invalid input";
        else{
            IntNum obj(n);
            cout << obj.check();
        }
    }
    else if (key == 2){
        double n;
        if(!(cin >> n)) cout <<"Invalid input";
        else{
            FloatNum obj(n);
            cout << obj.check();
        }
        else cout <<"0";
        
        return 0;
    }