#include <bits/stdc++.h> 
#include <chrono>
using namespace std;
 
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}
 
 
//typedef
//------------------------------------------
typedef pair<int, int> PII;
typedef long long LL;
typedef pair<LL, LL> PLL;
 
//container util
//------------------------------------------
#define PB emplace_back
#define MP make_pair 
#define SZ(a) int((a).size())
//repetition
//------------------------------------------
#define FOR(i,a,b) for(LL i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define SORT(c) sort((c).begin(),(c).end())
#define ALL(a)  (a).begin(),(a).end()
//constant
//--------------------------------------------
//clear memory
#define CLR(a) memset((a), 0 ,sizeof(a))


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

#include <iostream>
using namespace std;
int main()
{
  int N;
  cin >> N;
  if (N%2==1) {
    cout << "Black" << endl;
  } else {
    cout << "White" << endl;
  }
  return 0;
}
