#include <iostream>
#include <iomanip>
#include <vector>
#include <map>
#include <algorithm>
#include <string>
#include <numeric>
#include <cmath>
#include <math.h>

#define cPI 3.14159265358979323846 
using namespace std;
vector<int64_t> ans;
void func( )
{
    int64_t N;
    cin >> N;
    if (N % 2 == 0)
        cout << "White\n";
    else
        cout << "Black\n";
}

int main() {
//    while (1)
        func();
    return 0;
}
#include<iostream>
using namespace std;
int main()
{int n;
cin>>n;
if(n%2==0)cout<<"White";
if(n%2==1)cout<<"Black";
}