#include <bits/stdc++.h>

using namespace std;

#define FOR(i,n) for(int i = 0 ;i < (n); i++) 
#define sz(c) ((int)c.size())
#define ten(n) ((int)1e##n)

typedef long long ll;
typedef pair<ll, ll> Pll;
typedef pair<int, int> Pii;

int main() {
	int h, w, n; cin >> h >> w >> n;
	vector<pair<char,int>> vp;
	FOR(i, n) {
		char s; int k;
		scanf(" %c%d", &s, &k);
		vp.emplace_back(s, k);
	}
	reverse(vp.begin(), vp.end());
	int x = 0, y = 0;
	for (auto& sk : vp) {
		if (sk.first == 'R') {
			if (sk.second == x) y = (y + w - 1) % w;
		} else {
			if (sk.second == y) x = (x + h - 1) % h;
		}
	}

	bool black = (x + y) % 2 == 1;
	puts(black ? "black" : "white");

	return 0;
}