判断输入的数是不是偶数

#include <stdio.h>

int main()

{

int num;/*定义整型变量*/

printf("Please input a nunber.\n");/*输出提示信息*/

scanf("%d",&num);

if(num%2==0)//判断

printf("%d is even\n",num);

else

printf("%d is not even\n",num);

return 0;

}