public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

int a,b,c;

boolean d;

System.out.print("A = ");

a=scanner.nextInt();

System.out.print("B = ");

b=scanner.nextInt();

System.out.print("C = ");

c=scanner.nextInt();

d =(a>=0 && b>=0 && c<0)||(a<0 && b>=0 && c>=0)||(a>=0 && b<0 && c>=0);

// (-)||(-)||(-)

System.out.println(d);

}