How to find even or odd number 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;
}