#include <bits/stdc++.h>
#define REP(i, s, n) for (int i = s; i < (int)(n); i++)
#define ALL(a) a.begin(), a.end()
#define MOD 1000000007
using namespace std;
using ll = long long;

int main() {
    int n; cin >> n;
    if (n % 2 == 0) cout << "White" << endl;
    else cout << "Black" << endl;
    return 0;
}
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
    int n;
    cin>>n;
     cout<<n-1<<endl;
}