//g++ -std=c++11 -Wall test.cpp -o test -lm -g -O2

#include <bits/stdc++.h>
#include <cstdio>
#include <iterator>
using namespace std;
#define sws                           \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL);
#define vi vector<int>
#define vll vector<long long int>
#define vb vector<bool>
#define pb push_back
#define ll long long int
#define endl '\n'
#define pii pair<int,int>
#define pill pair<int,ll>
#define plli pair<ll,int>
#define plli pair<ll,int>
#define tlli tuple<ll,ll,int>
#define till tuple<int,ll,ll>
#define forn(b) for(int i = 0; i<b ;i++)
#define MAX 4005


int main(){
    int n;
    cin>>n;
    string ans = n%2?"Black":"White";
    cout<<ans<<endl;
}

#include <bits/stdc++.h>
using namespace std;

#define int long long

int32_t main() {

    int n;
    cin >> n;
    vector<int> div;
    for(int i=2; n > 1; ) {
        if(n%i == 0) {
            div.push_back(i);
            n /= i;
            continue;
        }
        i++;
        if(i*i > n) i = n;
    }

    set<int> ans;
    ans.insert(1);

    for(int x : div) {
        vector<int> now;
        for(int y : ans) now.push_back(y);
        for(int y : now) ans.insert(x * y);
    }

    for(int x : ans) cout << x << endl;

    return 0;
}
