public class ProvaBlocchi {

    public static void main(String[] args) {

	double a = 0;

	{
	    int b = 10;
	    System.out.println(b + "/" + a + " = " + (b/a));
	} 

	{
	    int b = -5;
	    System.out.println(b + "/" + a + " = " + (b/a));
	} 

	{
	    int b = 0;
	    System.out.println(b + "/" + a + " = " + (b/a));
	} 

    }
}