#include "bits/stdc++.h"
using namespace std;
#ifdef _DEBUG
#include "dump.hpp"
#else
#define dump(...)
#endif

//#define int long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = 1'000'000'007;
template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int H, W; cin >> H >> W;
	int N; cin >> N;
	vector<char> S(N);
	vector<int> K(N); rep(i, 0, N) {
		cin >> S[i] >> K[i];
	}
	int ci = 0, cj = 0;
	rrep(i, 0, N) {
		if (S[i] == 'R') {
			if (ci == K[i])
				cj--;
			cj = (cj + W) % W;
		}
		else {
			if (cj == K[i])
				ci--;
			ci = (ci + H) % H;
		}
	}
	if ((ci + cj) % 2) {
		cout << "black" << endl;
	}
	else {
		cout << "white" << endl;
	}
	return 0;
}