#include <iostream>
#include <algorithm>
#include <vector>

void solve() {
    int h, w;
    std::cin >> h >> w;

    int n;
    std::cin >> n;

    std::vector<std::pair<char, int>> ps(n);
    for (auto& p : ps) std::cin >> p.first >> p.second;

    std::reverse(ps.begin(), ps.end());
    int x = 0, y = 0;

    for (auto p : ps) {
        if (p.first == 'R') {
            if (p.second != x) continue;
            if (--y < 0) y += w;
        } else {
            if (p.second != y) continue;
            if (--x < 0) x += h;
        }
    }

    std::cout << ((x + y) % 2 == 0 ? "white" : "black")
              << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}