Input Integer number is positive or negative

// A program to check whether the input integer number is positive or negative
#include <stdio.h>
void main()
{
    int num;
    
    printf("Enter a number : \n");
    scanf("%d",&num);
    
    if(num>0)
    printf("%d is a positive number \n",num);
    
    else if (num < 0)
    printf("%d is negative number \n",num);
    else
    printf("0 is neither positive nor negative");
}