#include<iostream>
using namespace std; 

int main()
{
 int n;
 cin>>n;
 if(n%2==0)
 cout<<"White"<<endl;
 else if(n%2!=0)
 cout<<"Black"<<endl;
return 0;
}
#include "bits/stdc++.h"
using namespace std;

int main(){
    string N;
    cin >> N;
    N = N.substr(0, N.find_last_not_of('0') + 1);

    string s;
    s = N;
    std::reverse(N.begin(), N.end());

    // cout << s << N << endl;

    if(N==s){
        cout << "Yes" << endl;
        return 0;
    }
    cout << "No" << endl;
    return 0;
    



}