#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 check() { return 0; }
};

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