#include <iostream>
#include <vector>
#include <string>
#include <utility>

using namespace std;

int main() {
	int h, w, n;
	cin >> h >> w >> n;
	vector<pair<char, int> > operations;
	for (int i = 0; i < n; ++i) {
		string s;
		int k;
		cin >> s >> k;
		operations.push_back(make_pair(s[0], k));
	}
	int x = 0;
	int y = 0;
	for (int i = operations.size() - 1; i >= 0; --i) {
		if (operations[i].first == 'R') {
			if (operations[i].second == y) {
				--x;
				if (x < 0) {
					x = w - 1;
				}
			}
		} else {
			if (operations[i].second == x) {
				--y;
				if (y < 0) {
					y = h - 1;
				}
			}
		}
	}
	cout << ((x + y) % 2 == 0 ? "white" : "black") << endl;
	return 0;
}