/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
public static void main
(String[] args
) { Scanner in
=new Scanner
(System.
in); int x=in.nextInt();
int y=in.nextInt();
if (x >= -1 && x <= 1 && y >= -1 && y <= 1 )
{
System.
out.
printf("Принадлежит заштрихованной плоскости"); }
else
{
System.
out.
printf("Не принадлежит заштрихованной плоскости"); }
}
}
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