import javax.swing.*;
import java.util.*;
public class IsDelete {
   int x1,y1,x2,y2,row,column;
   int[][]playAreaNumber;
   boolean isDeleteCorner0,isDeleteCorner1,isDeleteCorner2;
   IsDelete(int x1,int y1,int x2,int y2,int row,int column,int[][] playAreaNumber){
	 this.x1=x1;
	 this.y1=y1;
	 this.x2=x2;
	 this.y2=y2;
	 this.row=row;
	 this.column=column;
	 this.playAreaNumber=playAreaNumber;
	 int[][] largerPlayAreaNumber=new int[row+2][column+2];
		for (int i=0;i<column+2;i++){
			largerPlayAreaNumber[0][i]=0;
			largerPlayAreaNumber[row+2-1][i]=0;
		}
		for (int i=0;i<row+2;i++){
			largerPlayAreaNumber[i][0]=0;
			largerPlayAreaNumber[i][column+2-1]=0;
		}
		for (int i=0;i<row;i++){
			for (int j=0;j<column;j++){
				largerPlayAreaNumber[i+1][j+1]=playAreaNumber[i][j];
			}
		}
		isDeleteCorner0=(isDeleteCorner0(largerPlayAreaNumber,x1,y1,x2,y2));
		isDeleteCorner1=(isDeleteCorner1(largerPlayAreaNumber,x1,y1,x2,y2));
		isDeleteCorner2=(isDeleteCorner2(largerPlayAreaNumber,x1,y1,x2,y2));
   }
   public static boolean isDeleteCorner0(int[][]largerPlayAreaNumber,int x1,int y1,int x2,int y2){
		boolean isDeleteCorner0=false;
		if ((x1!=x2) && (y1!=y2)){
			isDeleteCorner0=false;
		}
		if (x1==x2){
			if (y1<y2){
				boolean isOk=true;
				for (int i=y1+1;i<y2;i++){
					if (largerPlayAreaNumber[x1][i]!=0) isOk=false;
				}
				isDeleteCorner0=isOk;
			}
			if (y2<y1){
				boolean isOk=true;
				for (int i=y2+1;i<y1;i++){
					if (largerPlayAreaNumber[x1][i]!=0) isOk=false;
				}
				isDeleteCorner0=isOk;
			}
		}
		if (y1==y2){
			if (x1<x2){
				boolean isOk=true;
				for (int i=x1+1;i<x2;i++){
					if (largerPlayAreaNumber[i][y1]!=0) isOk=false;
				}
				isDeleteCorner0=isOk;
			}
			if (x2<x1){
				boolean isOk=true;
				for (int i=x2+1;i<x1;i++){
					if (largerPlayAreaNumber[i][y1]!=0) isOk=false;
				}
				isDeleteCorner0=isOk;
			}
		}
		return isDeleteCorner0;
	}
	public static boolean isDeleteCorner1(int[][]largerPlayAreaNumber,int x1,int y1,int x2,int y2){
		int cornerx1=x1;
		int cornery1=y2;
		int cornerx2=x2;
		int cornery2=y1;
		boolean isDeleteBetweenCorner1=
			((largerPlayAreaNumber[cornerx1][cornery1]==0)&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,x1,y1))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,x2,y2)));
		boolean isDeleteBetweencorner2=
			((largerPlayAreaNumber[cornerx2][cornery2]==0)&&(isDeleteCorner0(largerPlayAreaNumber,cornerx2,cornery2,x1,y1))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx2,cornery2,x2,y2)));
		boolean isDeleteCorner1=(isDeleteBetweenCorner1) ||(isDeleteBetweencorner2);
		return  isDeleteCorner1;
	}

	public static boolean isDeleteCorner2(int[][]largerPlayAreaNumber,int x1,int y1,int x2,int y2){
		boolean isDeleteCondition1=false;
		for (int i=0;i<largerPlayAreaNumber.length;i++){
			if ((i!=x2)&&(i!=x1)){
				int cornerx1=i;
				int cornery1=y1;
				int cornerx2=i;
				int cornery2=y2;
				if ((largerPlayAreaNumber[cornerx1][cornery1]==0)&&(largerPlayAreaNumber[cornerx2][cornery2]==0)&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,cornerx2,cornery2))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx2,cornery2,x2,y2))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,x1,y1))){
					isDeleteCondition1=true;
					break;
				}
			}
		}
		boolean isDeleteCondition2=false;
		for (int i=0;i<largerPlayAreaNumber[0].length;i++){
				int cornerx1=x1;
				int cornery1=i;
				int cornerx2=x2;
				int cornery2=i;
				if((largerPlayAreaNumber[cornerx1][cornery1]==0)&&(largerPlayAreaNumber[cornerx2][cornery2]==0)&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,cornerx2,cornery2))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx2,cornery2,x2,y2))&&(isDeleteCorner0(largerPlayAreaNumber,cornerx1,cornery1,x1,y1))){
					isDeleteCondition2=true;
			}
		}
	    boolean isDeleteCorner2=((isDeleteCondition1) || (isDeleteCondition2)); 
	    return isDeleteCorner2;
	}
   
}