Using nested if statements

/* 1003.c Using nested if statements */
#include <stdio.h>

main()
{
    int i;

    for (i=-5; i<=5; i++){
        if (i > 0)
            if (i%2 == 0)
                printf("%d is an even number.\n", i);
            else
                printf("%d is an odd number.\n", i);
        else if (i == 0)
            printf("The number is zero.\n");
        else
            printf("Negative number: %d\n", i);
        }
    return 0;
}