#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a); i < (b); ++i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for(int i = (n) - 1; (i) >= 0; --i)
#define SZ(n) (int)(n).size()
#define ALL(n) (n).begin(), (n).end()
#define MOD LL(1e9 + 7)
#define INF 1000000
using namespace std;
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PI;

int main() {
	int h, w, n;
	cin >> h >> w >> n;
	vector<string> vs(h);
	REP(i, h) {
		REP(j, w) {
			if (i % 2 && j % 2 || i % 2 == 0 && j % 2 == 0)
				vs[i].push_back('w');
			else
				vs[i].push_back('b');
		}
	}
	REP(i, n) {
		char c;
		int l;
		cin >> c >> l;
		if (c == 'R') {
			vs[l].insert(0, string(vs[l].rbegin(), vs[l].rbegin() + 1));
			vs[l].pop_back();
		}
		else {
			char t = vs[h - 1][l];
			REP(j, h - 1) 
				vs[h - j - 1][l] = vs[h - j - 2][l];
			vs[0][l] = t;
		}
	}
	cout << (vs[0][0] == 'w' ? "white" : "black") << endl;
	return 0;
}