C Program to check whether a given number is Positive or Negative in simple way

C Program to check whether a given number is Positive or Negative 

1. #include <stdio.h>
2. void main()
3. {
4.    int num;
5.    printf("Enter a number: \n");
6.    scanf("%d", &num);
7.             if (num > 0)
8.                 printf("%d is a positive number \n", num);
9.             else if (num < 0)
10.                 printf("%d is a negative number \n", num);
11. }