import java.util.*;

public class PB
{
    public static Scanner in;
    public static int casenum;
    public static int n,m,r;
    public static char[][] field;
    public static int cstart, rstart;
    public static int count;

    public static void main(String[] args)
    {
        in = new Scanner(System.in);
        casenum = 0;
        while(true)
        {
            n = in.nextInt();
            m = in.nextInt();
            r = in.nextInt();
            if (n == 0) break;
            casenum++;
            field = new char[n+2][m+2];
            for (int i = 0; i < n+2; i++) 
            {
                Arrays.fill(field[i],' ');
                field[i][0] = 'e';
                field[i][m+1] = 'e';
            }
            for (int i = 0; i < m+2; i++) 
            {
                field[0][i] = 'e';
                field[n+1][i] = 'e';
            }
            for (int i = 0 ; i < r; i++)
            {
                int col = in.nextInt();
                int row = in.nextInt();
                field[col][row] = 'r';
            }
            cstart = in.nextInt();
            rstart = in.nextInt();
            count = 0;
            solve();
        }
    }

    public static void solve()
    {
        int c = cstart, r = rstart;
        int xdir, ydir;
        xdir = c==1?1:(c==n?-1:0);
        ydir = r==1?1:(r==m?-1:0);
        char current = field[c][r];
        while (current != 'e')
        {
            count++;
            if (field[c+xdir][r+ydir] != 'r')
            {
                // keep going -- no change in direction
            }
            else if(field[c+ydir][r-xdir] != 'r')
            {
                int temp = ydir; // turn right
                ydir = -xdir;
                xdir = temp;
            }
            else if(field[c-ydir][r+xdir] != 'r')
            {
                int temp = xdir; // turn left
                xdir = -ydir;
                ydir = temp;
            }
            else 
            {
                xdir = -xdir;
                ydir = -ydir;
            }
            c+= xdir;
            r+=ydir;
            current = field[c][r];
        }
        System.out.println("Case " + casenum + ": " + (c-xdir) + " " 
                + (r-ydir) + " " + count);
    }
}