#include<iostream>
#include<string>
#include<algorithm>
using namespace std;

int main(){
    string N;
    cin >> N;
    reverse(N.begin(),N.end());
    int x = stoi(N.substr(0,1));
    if(x %2 == 0){
        cout << 1 << endl << "No" << endl;
    }
    else{
        cout << 2 << endl << "No" << endl;
    }
    return 0;
}