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

using namespace std;
using ll = long long;
using pii = pair<int, int>;

int ri() {
    int n;
    scanf("%d", &n);
    return n;
}

bool poss(string s, int x) {
    int len = s.size();
    if(to_string(x).size() > len)
        return false;
    vector<int> cnt(10, 0);
    for(char c : s) {
        int d = c - '0';
        cnt[d] ++;
    }
    vector<int> need(10, 0);
    for(int i = 0; i < min(len, 3); ++i) {
        need[x % 10]++;
        x /= 10;
    }
    for(int i = 0; i < 10; ++i)
        if(cnt[i] < need[i])
            return false;
    return true;
}

int main() {
    string s;
    cin >> s;
    for(int x = 8; x < 1000; x += 8) {
        if(poss(s, x)) {
            cout << "Yes";
            return 0;
        }
    }
    cout << "No";
}