How to use a number even or odd in c language

#include <stdio.h>
  int main()
  {
    int num;
    printf("Enter a number : ");
    scanf("%d", &num);
    if (num % 2 == 0)
        printf("Number is even\n");
    else
    {
        printf("Number is odd\n");
        num *= 2;
        printf("Now the number is %d\n", num);
    }
    return 0;
  }
  

  Enter a number : 24
    Number is even