#include <iostream>
#include <algorithm>
#include <string>
using namespace std;

int main()
{
    int h, w, n; cin>>h>>w>>n;
    vector<pair<char, int>> q(n);
    for(auto& e: q) {
        string s;
        int k;
        cin>>s>>k;
        e=make_pair(s[0], k);
    }
    reverse(begin(q), end(q));

    int r=0, c=0;
    for(auto& e: q) {
        int k=e.second;
        if (e.first=='R') {
            if (r==k) c=(c-1+w)%w;
        }
        else {
            if (c==k) r=(r-1+h)%h;
        }
    }
    cout<<((r+c)%2 ? "black" : "white")<<endl;
}