#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <cmath>
#include <vector>

using namespace std;
typedef long long ll;


int main(){

    int n;
    cin>>n;
    if(n%2 == 0)
        cout<<"White"<<endl;
    else
        cout<<"Black"<<endl;
    return 0;
}

#include<bits/stdc++.h>

#define ntest 0

using namespace std;
int n;
void solve() {
    cin >> n;
    if (n&1) cout << "Black";
    else cout << "White";
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    if(ntest){
        int t;
        cin >> t;
        while(t--) solve();
    } else {
        solve();
    }

}


