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

using namespace std;

void show(vector<int> &v) {
	for (auto i : v) {
		cout << i;
	}
	cout << endl;
}
void show(vector<vector<int>> &v) {
	for (auto w : v) {
		for (auto i : w) {
			cout << i;
		}
		cout << endl;
	}
}

int main() {
	int h, w, n;

	cin >> h >> w >> n;
	vector<char> s(n);
	vector<int> k(n);
	int last_index = -1;
	for (int i = 0; i < n; i++) {
		cin >> s[i] >> k[i];
		if (k[i] == 0) {
			last_index = i;
		}
	}

	vector<int> line0(w);
	for (int i = 0; i < line0.size(); i++) {
		line0[i] = i % 2;
	}
	auto line1 = line0;
	line1.insert(line1.begin(), 1);
	line1.erase(line1.end() - 1);
	vector<vector<int>> board(h);
	for (int i = 0; i < h; i++) {
		board[i] = i % 2 == 0 ? line0 : line1;
	}

	// show(board);
	// cout << endl;
	for (int i = 0; i < n; i++) {
		int idx = k[i];
		if (s[i] == 'R') {
			board[idx].insert(board[idx].begin(), board[idx].back());
			board[idx].erase(board[idx].end() - 1);
		} else {
			int tmp = board[h - 1][idx];
			for (int j = 1; j < h; j++) {
				board[j][idx] = board[j - 1][idx];
			}
			board[0][idx] = tmp;
		}
		// show(board);
		// cout << endl;
	}

	cout << (board[0][0] == 0 ? "white" : "black") << endl;
	return 0;
}