#include <stdio.h>
int main (void) {

	int number; /* a number for input */
	
    printf ("Enter an integer value: ");
    scanf ("%i", &number);

    /* An inefficient set of conditional if statements */
    if (number > 0 )
        printf ("\nNumber is positive");
    if (number < 0 )
        printf ("\nNumber is negative");
    if (number == 0 )
        printf ("\nNumber is zero");
    
    /* An efficient set of conditional else if statements */     
    if (number > 0 )
        printf ("\nNumber is positive");
    else if ( number < 0 )
        printf ("\nNumber is negative");
    else
        printf ("\nNumber is zero");
        
	return 0;
}