#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    int cx=0,cy=0;
    int h,w;
    cin>>h>>w;
    int n;
    cin>>n;
    vector<char> coms;
    vector<int> place;
    char a;
    int t;
    for(int ctr1=0;ctr1<n;ctr1++){
        cin>>a>>t;
        coms.push_back(a);
        place.push_back(t);
    }
    reverse(coms.begin(),coms.end());
    reverse(place.begin(),place.end());
    for(int ctr1=0;ctr1<n;ctr1++){
        if(coms[ctr1]=='R')
        {
            if(place[ctr1]==cx)
                cy--;
        }
        else{
            if(place[ctr1]==cy)
                cx--;
        }
        if(cy<0)
            cy+=w;
        if(cx<0)
            cx+=h;

    }
    if((cx+cy)%2)
        cout<<"black"<<endl;
    else cout<<"white"<<endl;
    return 0;
}