#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include "bits/stdc++.h" #include <vector> #include <set> #include <string> #include <queue> #include <list> #define REP(i,a,b) for(i=a;i<b;++i) #define rep(i,n) REP(i,0,n) #define ll long long #define ull unsigned ll typedef long double ld; #define SQR(X) ( (X)*(X) ) #define CUBE(X) ( (X)*(X)*(X) ) // #define int ll using namespace std; bool test = 0; /* ここからが本編 */ int main(){ int i,j,k,l; int H,W; int N; static char S[1000002]; static int K[1000002]; cin >> H >> W; cin >> N; for(i=0;i<N;i++) { scanf(" %c %d",&S[i],&K[i]); }/* rep(i,N) { cout << S[i] << ' ' << K[i] << endl; }*/ int x = 0,y = 0; for(i=N-1;i>-1;i--) { if(S[i] == 'R' && K[i] == y) { if(x > 0) x--; else x = W-1; } else if(S[i] == 'C' && K[i] == x){ if(y > 0) y--; else y = H-1; } } if((x+y) % 2) puts("black"); else puts("white"); return 0; }