#include<cstdio>
#define rep(i,a) for(int i=0;i<(a);++i)
#define repd(i,a) for(int i=(a);i>=0;--i)

const int MAX_H = 10000, MAX_W = 10000;

int H, W;
int N;
bool fld[MAX_H][MAX_W];

int main()
{
	scanf( "%d%d%d", &H, &W, &N );

	rep( i, H ) rep( j, W )
		fld[i][j] = (i+j)&1;

	rep( i, N )
	{
		char S[2];
		int K;

		scanf( "%s%d", S, &K );

		if( *S == 'R' )
		{
			bool f = fld[K][W-1];
			repd( j, W-2 )
				fld[K][(j+1)%W] = fld[K][j];

			fld[K][0] = f;
		}
		else
		{
			bool f = fld[H-1][K];
			repd( i, H-2 )
				fld[(i+1)%H][K] = fld[i][K];
			fld[0][K] = f;
		}
	}

	puts( fld[0][0] ? "black" : "white" );

	return 0;
}