Check whether an integer entered by the user is odd or even with C language

#include <stdio.h>
int main()
{
    int num;
    printf("Enter a num: ");
    scanf("%d", &num);

    if (num % 2 == 0)
        printf("%d is an even .", num);
    else
        printf("%d is an odd .", num);
    return 0;
}

Output:-

Enter a num: 45
45 is an odd .